While both niacinamide and vitamin C are well-known for their effectiveness in skincare products, they do several different things to address pigmentation, acne marks, uneven skin tone, and dark spots. So, which is better: Niacinamide or Vitamin C? The better choice depends on your primary skin concern. Niacinamide helps regulate excess oil, support the skin barrier, and improve the appearance of post-acne marks, while Vitamin C provides antioxidant protection and can improve the appearance of dullness, uneven skin tone, and pigmentation. If your skin is able to handle both, you have the option to utilize Niacinamide and Vitamin C together. 

This guide compares Niacinamide vs Vitamin C for pigmentation, dark spots, acne marks, and different skin types, and explains how to use both together in a simple skincare routine. 

Niacinamide or Vitamin C: Which Is Better?

There is no universal winner between Niacinamide and Vitamin C. The better ingredient depends on what you want to treat.

1. Vitamin C: When sun exposure is a factor in skin dullness, uneven tone, or pigmentation, its antioxidant properties make it a good alternative to consider. 

2. Niacinamide: Niacinamide has shown effectiveness in treating acne scars, excessive oiliness, and skin tone imbalances. If you have sensitive or acne-prone skin, it could be a suitable place to start because it is usually well-tolerated. 

Choose Niacinamide if your main concerns are:

• Excess oil
• Acne-prone skin
• Post-acne marks
• Uneven-looking skin
• Skin-barrier support

Choose Vitamin C if your main concerns are:

• Dull-looking skin
• Uneven skin tone
• Dark spots and pigmentation
• Antioxidant protection
• Supporting collagen synthesis 

For Foxtale shoppers, the 12% Niacinamide Clarifying Serum is a targeted option for oily, acne-prone skin and post-acne marks, while the 10% Vitamin C-Glutathione Advanced Brightening Serum is better suited to dullness, uneven skin tone and pigmentation. 

Pro tip: Niacinamide can help improve the appearance of pigmentation and uneven skin tone when used consistently. It might feel difficult to choose the right niacinamide concentration, but the right guide may help you choose the ideal product according to your skin requirements. 

How Do They Work? 

Niacinamide, a form of vitamin B3, supports the skin barrier, helps regulate excess oil, and can improve the appearance of uneven skin tone and post-acne marks. Studies on topical niacinamide have also shown benefits for the appearance of hyperpigmentation. 
 

The antioxidant properties of vitamin C aid in enhancing the protection of skin cells against oxidative stress and in the stimulation of collagen production. Additionally, with regular usage, it can help improve the appearance of dullness, uneven skin tone, and pigmentation.
 

Instead of having to pick between the two, you may use Niacinamide and Vitamin C together as they both focus on different aspects of skin health. 

Difference Between Niacinamide and Vitamin C

How To Use Niacinamide and Vitamin C Together

Yes, Niacinamide and Vitamin C can be used in the same skincare routine if your skin tolerates both. When layering them, apply Vitamin C first, followed by Niacinamide, moisturizer, and sunscreen in the morning. If you have sensitive skin, introduce one active at a time.

When tolerated, these ingredients can be used together to target different aspects of dullness, uneven skin tone, pigmentation, and post-acne marks.

Morning Routine

• Gentle cleanser
• Vitamin C serum
• Niacinamide serum
• Moisturizer
• Broad-spectrum SPF 50 sunscreen

Night Routine

• Gentle cleanser
• Niacinamide serum
• Hydrating moisturizer

Pro tip: If you have sensitive skin, start with lower concentrations and use the products every other day before slowly adding them into your daily skincare routine. 

Which Goes First: Vitamin C or Niacinamide? 

When using both products in the same morning routine, apply Vitamin C first, followed by Niacinamide, moisturizer, and sunscreen. Always follow the application instructions for your specific products.  As a rule of thumb, always refer to the product's instructions for texture and application. 

What Is Vitamin C & How Does It Benefit Your Skin?

Vitamin C is a potent antioxidant that helps protect skin from oxidative stress and can improve the appearance of dullness, uneven skin tone, and pigmentation. In addition to supporting brighter-looking skin, Vitamin C can:

1. Boost collagen production
2. Defend against oxidative stress
3. Improve overall skin radiance
4. Support brighter-looking skin

Learn more about the advantages of vitamin C serum, how to use it, and the top ingredients for pigmentation. 

Pro Tip: Layering too many actives is not as important as consistency. The finest long-term outcomes come from a straightforward regimen that is consistently followed. Check out our comprehensive information on common mistakes to avoid while using niacinamide, if you're still unsure about combining these chemicals for the best results.

What Is Niacinamide & How Does It Help With Dark Spots & Pigmentation? 

Niacinamide is a form of vitamin B3 that supports the skin barrier, helps regulate excess oil, and can improve the appearance of post-acne marks and uneven skin tone. 

Key Benefits of Niacinamide

• Helps improve the appearance of dark spots and post-acne marks 
• Reduces redness and inflammation
• Strengthens the skin barrier
• Regulates the production of extra oil

Pro tip: Niacinamide can be a useful option for oily, acne-prone, or sensitive skin because it supports the skin barrier while helping regulate excess oil and improve the appearance of post-acne marks. When used regularly over time, niacinamide's science-backed compatibility with your skin works effectively for sensitive, oily, and acne-prone skin. 

Niacinamide vs Vitamin C for Pigmentation: Which Is Better? 

Although they have distinct mechanisms of action, niacinamide and vitamin C both have the potential to reduce the visibility of pigmentation. Vitamin C may be particularly useful for dullness, uneven tone, and sun-related pigmentation, while Niacinamide can be especially useful for post-acne marks alongside its oil-control and barrier-supporting benefits.  For pigmentation accompanied by excess oil or post-acne marks, Niacinamide may be the better starting point. If dullness, uneven tone or sun-related pigmentation is the main concern, Vitamin C may be a better fit.

Which Is Better for Your Skin Type? 

The better choice also depends on your skin type and primary concern. Here's how Niacinamide and Vitamin C compare for oily, dry, sensitive, and Indian skin. Both are powerful brightening agents, but they target dullness, uneven skin tone, dark spots, and acne marks in distinct ways.

Here's how to choose the one that works best for your skin:

1. For Skin That Is Oily and Prone to Acne

If you have oily or acne-prone skin and are concerned about excess oil, breakouts, or post-acne marks, niacinamide is usually a good place to start. In addition to improving the appearance of post-acne marks, it helps control sebum production and strengthens the skin's protective barrier.

Concerns including overproduction of sebum, acne, and dark patches are the inspiration for Foxtale's 12% Niacinamide Serum, which combines Niacinamide with Azelaic Acid and is formulated for concerns such as excess oil, acne, and the appearance of dark spots.  If you're worried about your skin seeming dull or uneven in tone, you can add vitamin C if your skin can handle it. Check out our beginner's guide to Vitamin C serum if you're wondering if vitamin C is appropriate for skin prone to breakouts. To comprehend how it functions in conjunction with active acne. 

2. For Dehydrated and Dry Skin

For dry or dehydrated skin, neither ingredient is automatically better. Niacinamide and vitamin C work together to strengthen the skin's protective barrier and alleviate signs of dullness and uneven tone. Once your skin is ready, you may apply both of these products in addition to a hydrating moisturizer and a daily SPF 50 sunscreen. 

The lightweight gel-cream texture of Foxtale's Super Glow Moisturizer with Vitamin C helps lighten pigmentation while providing intense hydration. It also improves the general clarity and brightness of the skin since it contains niacinamide.

3. For Sensitive Skin

For sensitive or easily irritated skin, Niacinamide may be a better starting point because it is generally well tolerated and supports the skin barrier. Start gradually and reduce frequency if irritation occurs. If you're considering a higher-strength Niacinamide formula, introduce it gradually rather than assuming a higher concentration will work better for sensitive skin. 

Read More: To answer all your doubts, we are here to help with ‘Is Foxtale's 12% Niacinamide Serum Safe To Use?’

4. For Indian Skin Type: 

What matters more than skin tone when it comes to Indian skin is the primary skin concern. For skin that's oily, acne-prone, or has post-acne scars, niacinamide can be a good choice; for skin that's dull, uneven in tone, or has pigmentation from the sun, vitamin C can be better. If you're dealing with more than one issue at once and your skin is tolerating both, you can apply them together. 

Conclusion

There is no one ‘better’ ingredient when it comes to niacinamide vs. vitamin C. It all depends on your skin type, issues, and skincare goals. Niacinamide strengthens the skin barrier, controls excess oil, and fades acne scars, while vitamin C brightens dull skin and lessens sun-induced pigmentation. Fortunately, you don't have to decide between the two. 

When combined, niacinamide and vitamin C can more successfully address dullness, uneven skin tone, and dark spots. Over time, you can get healthier, more balanced-looking skin by combining these substances with a mild skincare regimen and regular sunscreen. Discover beginner-friendly formulas in Foxtale's science-backed skincare range to assist you in creating the ideal skin-brightening regimen. 

Skin burnout is a non-medical term used to describe skin that becomes irritated, sensitive, dry, or reactive after being exposed to too many skincare products, strong actives, or frequent exfoliation. Common signs include redness, dryness, tightness, stinging, peeling, increased sensitivity, and new or worsening breakouts. In many cases, these changes are associated with a compromised skin barrier rather than a need for more skincare products. 

What Is Skin Burnout? 

“Skin burnout” is a condition in which skin gets progressively irritated, sensitive, dry, or reactive following continuous exposure to potentially irritating skincare methods. Most often it’s from over-exfoliating, using strong actives too often, stacking various treatment products, or continually altering a regimen.

The phrase is not a formal dermatologic diagnosis; Rather, it is a good approach to characterize a pattern of skin irritation and possibly skin barrier disruption that results from an overly vigorous regimen.

Learn more about how the skin barrier protects your skin while understanding that, when compromised, the skin may be prone to moisture loss.  This might cause tightness, dryness, flaking, redness, stinging, or breakouts. 

What Causes Skin Burnout? 

• Signs you are over-exfoliating your skin 
• Using strong actives too frequently
• Layering multiple treatment products
• Frequently changing skincare products
• Using potentially irritating products together

How Does Skin Burnout Affect the Skin Barrier? 

A damaged skin barrier starts with disruption of the stratum corneum, the skin's outermost layer responsible for preventing moisture loss and protecting against environmental triggers.

Once this layer becomes disrupted, transepidermal water loss increases. It means our skin loses water quickly and faster than it can retain it. That’s why a damaged, weak skin barrier often creates confusing symptoms, making your skin feel tight and flaky while simultaneously looking oily or greasy. Despite applying multiple products, your complexion may look dull because it may fail to hold onto hydration effectively.

Recovery time varies depending on how severely the skin barrier has been disrupted. Mild irritation may improve relatively quickly after removing the trigger, while more persistent irritation may take longer. During recovery, simplify your routine and avoid adding new treatment products until your skin feels comfortable again. 

What Are the Signs of Skin Burnout? 

Common signs of skin burnout may include: 

• Skin that looks dull or feels unusually dry
• Skin that appears red or flushed
• Skincare products that previously felt comfortable may suddenly sting or burn. 
• Tightness, flaking, or rough patches 
• Enhanced sensitivity to previously tolerable items
• New or worsening breakouts or small bumps 
• Skin that is oily on the outside but dry on the inside
• You feel like your usual skin care routine isn't working for you anymore

There are a number of other skin disorders that might cause these symptoms. Consult a dermatologist instead of adding extra items to your regimen if the irritation is severe, persistent, painful, or becoming worse. 

Skin Burnout vs Skin Purging: What's the Difference? 

Skin burnout is often mistaken for skin purging, but they're very different. Let’s explore the difference.

If breakouts begin after introducing an active that can cause purging, particularly in areas where you normally experience acne, purging may be one possibility. If your skin is also becoming dry, red, tight, flaky, or unusually sensitive, irritation or skin barrier disruption may be more likely. 

How to Fix Skin Burnout and Repair Your Skin Barrier 

In order to alleviate skin burnout, it is essential to simplify your routine and eliminate any potential irritants. Wait for your skin to calm down before continuing to use any active ingredient, such as is vitamin C good for your skin, if it is causing itching or stinging. When your skin starts to feel better, go back to using mild, barrier-supporting skincare products.

Several ingredients, including hyaluronic acid, ceramides, and panthenol, can help keep the skin moist and protect it from damage. Although some concentrations may be too strong for sensitive skin, niacinamide can also support the skin barrier and help maintain the skin's protective barrier. Reintroduce actives when your skin feels comfortable, as recovery duration varies.

Using a sunscreen is crucial while the barrier is healing. Find a broad-spectrum sunscreen that satisfies your skin's needs without irritating it. 

Simple Skincare Routine for Skin Burnout

A basic routine often works best when your skin is in the healing phase.

• Cleanse: Go for a gentle cleanser that removes impurities without disrupting the barrier.
• Moisturize: Look for a moisturizer rich in ceramides, hydrating ingredients, and soothing actives that help restore moisture while supporting the barrier.
• Protect: Always wear broad-spectrum SPF to shield healing skin from UV damage.

How to Prevent Skin Burnout 

The best way to prevent skin burnout is to avoid overwhelming your skin with too many potentially irritating products. Once your skin has recovered, reintroduce active ingredients gradually rather than adding several new products at once. 

Avoid using multiple potentially irritating actives together unless your routine has been specifically recommended by a dermatologist. Consider occasional recovery nights when your routine focuses on cleansing and moisturizing. If your skin appears irritated or unusually sensitive, slow down rather than adding another treatment product.

Foxtale Products to Consider During Skin Recovery

• Hydrating Face Wash

What calms your skin other than a calming, gentle hydrating face wash? Enriched with skin-soothing ingredients such as Hyaluronic Acid and Red Algae Extract, it hydrates the skin while keeping the pores clean and healthy. It gently cleanses dirt, debris, and product residue from the skin, keeping it clean, hydrated, and well-balanced.

• Nourishing Ceramide Moisturizer 

When your skin feels dry or irritated, keeping it moisturized can help support hydration and skin comfort during recovery. Powered by Ceramide, Niacinamide, Hyaluronic Acid, and Kokum Butter, it delivers intense hydration, calms irritated skin, and keeps skin plump. The moisturizing qualities of this ceramide moisturizer for dry or irritated skin help replenish the skin’s natural moisture, support the skin barrier and replenish hydration, and soften the skin.

• Oil Balancing Moisturizer

Once your skin feels comfortable again, you can consider an oil-balancing moisturizer if excess oil is an ongoing concern. Try Foxtale’s Oil Balancing Moisturizer! This cica moisturizer comes enriched with the oil-regulating properties of Niacinamide, Azelaic Acid Encapsulated Beads, and Cica Extract. It delivers intelligent hydration without triggering excess oil and breakouts. The non-greasy formula keeps skin balanced and glowing all day.

• Dewy Finish Sunscreen SPF 50++++

If you are on your skin healing journey, you should always prioritize skin protection with a well-prepared dewy sunscreen. Offer your skin the optimum protection from UVA radiation with our Dewy Finish Sunscreen SPF 50++++. Made with Niacinamide, Peptides, and Provitamin B5, it gives your skin a dewy finish while creating a tough shield against harsh UV rays. Once your skin feels comfortable again, you can gradually reintroduce targeted actives based on your skin concerns.

• 12% Niacinamide Clarifying Serum

Once your skin feels comfortable again and you're ready to reintroduce targeted actives, a niacinamide serum can be considered for concerns such as excess oil, blemishes, and clogged pores. Made with Niacinamide, Azelaic Acid, and Hydration Boosters, this Niacinamide serum helps regulate the skin's oil production, nourishes the skin, and manages excess oil and the appearance of blemishes.

Conclusion

The phrase "skin burnout" is used outside of the medical field to describe skin that has grown reactive, sensitive, or irritated due to an excessively harsh skincare regimen. You should simplify your regimen and concentrate on mild washing, moisturizing, and sunscreen if your skin becomes tight, dry, red, flaky, or stings when products are applied.
 

Reintroduce active ingredients gradually once your skin is comfortable again; do not apply many irritating products at once. See a dermatologist if the redness, swelling, or discomfort doesn't go away or becomes worse. 

Yes, some people may get acne as a result of drinking milk, but this is not always the case. Drinking cow's milk has been linked to acne, with some studies finding a stronger correlation with skim and low-fat milk. But since the majority of the evidence is observational, it cannot be concluded that milk is the direct cause of breakouts. Research has found an association between cow's milk consumption and acne, with skim and low-fat milk showing a stronger association in some studies. 

Researchers have proposed hormonal and insulin-related pathways as possible explanations, but these mechanisms are not fully established. Learn more about the link between milk, dairy, and acne, as well as what to do if you think milk might be causing your breakouts, by reading this article. 

Does milk cause acne in everyone? No. Multiple factors, including genetics, hormones, sebum production, inflammation, and lifestyle, influence acne. Milk may be a trigger for some acne-prone individuals, while others may notice no change after consuming it. 

Did You Know? For acne-prone skin that needs topical support alongside any dietary changes, starting with an acne face wash that clears pore congestion at the cleansing step is the most direct first move.

Can Milk Make Existing Acne Worse? 

Milk may not be the original cause of someone's acne, but if a person is sensitive to milk as a dietary trigger, consuming it may coincide with more frequent or severe breakouts. Research supports an association between milk consumption and acne, but it does not establish that milk will worsen acne in every person.

Which Dairy Products Are Worst for Acne?

The link between acne and dairy is not universal. While there is less strong evidence linking acne to cheese and yogurt, research has repeatedly connected acne with cow's milk, especially skim and low-fat milk. 

1. Skim and Low-Fat Milk:

While whole milk has not been linked to acne in any observational study, skim and low-fat milk have. A 2018 meta-analysis and comprehensive review indicated that the relationship was more significant for skim milk, whereas whole milk was also linked to acne.

We don't entirely understand why. There is no conclusive evidence that the hormones, proteins, and impacts of milk on insulin and IGF-1-related pathways cause acne, but these theories have been considered.

So, if you think milk is making your pimples worse, switching to skim milk might not be the best choice.

2. Cheese and Yogurt:

The relationship between cheese, yogurt, and acne is less clear than the relationship observed with milk. Do all dairy products cause acne? Not according to the current data, and people react differently. Instead of immediately cutting out all dairy, try tracking your reaction to the particular dairy items that you find to be frequently associated with breakouts. 

3. Whole Milk

Although other studies have found a less profound relationship between acne and whole milk compared to skim and low-fat milk, the association is still there. This in no way demonstrates that whole milk is harmless for skin that is prone to acne. It could be more prudent to monitor your reaction to whole milk if you frequently get breakouts after consuming it, rather than believing that a change in milk type will resolve the issue.

Additionally:

Whey protein is another food-related factor worth considering, particularly if breakouts began or worsened after starting a whey supplement. Research has proposed a relationship between whey protein, insulin-related signalling and acne, although individual response varies.

Building a Practical Approach to Diet and Clearer Skin

How to treat acne-prone skin? Eliminating milk from your diet can help anyone whose breakouts seem to track with dairy. A two- to four-week elimination trial cutting milk specifically is a reasonable way to test personal response. Keeping everything else consistent during that window makes it easier to read the result accurately.

A diet for acne free skin works best alongside topical treatment rather than instead of it. Diet reduces the hormonal input. Topical care addresses the congestion and inflammation that has already built up. Dietary changes should complement; not replace- a consistent acne-prone skincare routine and appropriate acne treatment. For acne-prone skin, ingredients such as niacinamide can help support oil control and the appearance of blemishes as part of a consistent routine. 

What to Do If You Suspect Dairy Is Triggering Your Acne

If you feel that dairy is triggering your breakouts, you may monitor your skin's condition while cutting back or eliminating the food from your diet. For the sake of pinpointing potential skin-influencing factors, it's best to maintain maximum consistency in your skincare regimen and other important dietary habits. 

Track Your Response 

Before you go crazy trying to cut out all dairy products, figure out which ones you think are making your acne worse. Take pictures of your breakouts on a regular basis and document them, and be sure to stick to your new skincare and eating habits.

After your skin clears up, you may talk about whether or not eating that meal again triggers breakouts. Although changes in acne might have various reasons, this can help you discover whether there is a recurrent link. 

Consider Dairy Alternatives 

Try unsweetened almond, soy, oat, or coconut-based drinks instead of dairy products if you discover that one of these tends to set off your outbreaks. When making a substitution, be sure to read the label to see whether it has added sugar and, if applicable, look out for products that have been fortified with minerals like calcium and vitamin D.

You May Not Need to Eliminate All Dairy 

Avoiding all dairy products is not always necessary if you find that one kind of dairy irritates your skin. In certain cases, you might be able to eat dairy products without experiencing any skin changes. Instead of blindly eliminating dairy in an effort to control acne, the objective is to find out what specific causes you have.

When Should You See a Dermatologist?

While making dietary modifications can help identify acne causes, they should not be used in place of a professional acne treatment. See a dermatologist if you're thinking about:

* You have acne that won't go away or is growing worse

* You're dealing with uncomfortable nodules or cysts

* Dark spots or scars from your acne are sticking around

* Your outbreaks are still uncontrolled by over-the-counter products

* Your self-esteem or general happiness is taking a hit because of acne.

Seeking the advice of a dermatologist can help determine the root causes of your acne and choose the best course of therapy. Instead of replacing evidence-based acne therapy, dietary modifications might be evaluated in conjunction with it.

Did You Know? A niacinamide moisturiser that supports the skin barrier through dietary experiments is worth adding to the routine, since barrier function affects how skin responds to inflammation, regardless of what is driving it.

Conclusion: Does Milk Cause Acne? 

Though some people may get acne after consuming milk, it is important to note that this is not always the case. Despite the fact that the data is mostly observational and cannot establish cause and effect, research has consistently and powerfully linked cow's milk, especially skim and low-fat milk, to the condition.

You do not need to eliminate all dairy automatically. If you think milk could be a trigger for your breakouts, try cutting back on milk while keeping your other habits the same. Continued use of skincare products and consultation with a doctor may be necessary for severe or chronic acne. 

Daily use of AHA and BHA may not be appropriate for all users. Depending on the acid, concentration, formulation, and skin tolerance, most people should use leave-on AHA or BHA exfoliants a few times a week instead of every day. Salicylic acid is an oil-soluble beta-hydroxy acid (BHA) that helps clear oil and buildup from pores, whereas lactic acid is an alpha-hydroxy acid (AHA) that mainly exfoliates the skin's surface.  

What Are AHAs and What Do They Do for Skin?

AHAs, or alpha hydroxy acids, are water-soluble chemical exfoliants that primarily work on the skin's surface. In addition to reducing the look of dullness, uneven texture, and some types of pigmentation, they help loosen dead skin cells. Glycolic acid and lactic acid are two common AHAs; however, the formulations might affect the potency and tolerance of these acids. 

Lactic acid is an alpha hydroxy acid (AHA) that helps keep skin hydrated and smooth by exfoliating the surface. With appropriate use, lactic acid can help improve the appearance of dullness, uneven texture, and pigmentation.  It is one of the better-known AHAs used for surface exfoliation. 

For body exfoliation, Foxtale's De-Tan Body Scrub combines physical exfoliation with Lactic and Glycolic acids to help improve the appearance of rough texture and tan. Because it combines chemical and physical exfoliation, it is better suited to occasional use rather than daily exfoliation. 

AHAs can also be incorporated through rinse-off body products. Foxtale's De-Tan Body Wash with glycolic and lactic acid uses both AHAs to exfoliate dull surface buildup while cleansing the body. For a deeper look at how this AHA works and where it fits into a skincare routine, read our guide to lactic acid benefits for skin. 

What Are BHAs and What Do They Do for Skin? 

Beta-hydroxy acids (BHAs) are chemical exfoliants that dissolve in oil. Because it is oil-soluble, salicylic acid is particularly relevant for oily, acne-prone, and congested skin. You can read more about salicylic acid benefits for oily skin and how to introduce it into a routine. 

Salicylic acid for skin can help clear excess oil, dead skin-cell buildup, and clogged pores. Its exfoliating and pore-clearing action makes it particularly useful for blackheads, whiteheads, and acne-prone skin. It can also help improve the appearance of post-acne dark marks by reducing the buildup that contributes to congestion. 

Does salicylic acid help acne scars? 

Salicylic acid is more useful for acne, clogged pores, and post-acne dark marks than for textural acne scars, such as pitted or indented scars.  If the concern is a flat dark mark left after a breakout, salicylic acid may help improve its appearance over time by supporting exfoliation and keeping pores clear. 

For oily or acne-prone facial skin, Foxtale's 2% salicylic acid face wash provides salicylic acid in a rinse-off cleanser formula, making it an easy way to include a BHA cleansing step without adding another leave-on exfoliant. For back, chest, or body breakouts, a salicylic acid body wash for body acne can deliver the BHA in a rinse-off format across larger areas of skin. 

Can I Use AHA and BHA Together?

Yes, AHA and BHA can be used together, but combining them increases the overall exfoliation load on the skin. Whether you should combine them depends on the product strengths, formulation, and your skin's tolerance. If you are new to chemical exfoliation or have sensitive skin, using AHA and BHA on separate days can be a simpler approach. 

Lactic acid is an AHA that primarily exfoliates the skin's surface, while salicylic acid is a BHA that helps clear oil and buildup from pores. They therefore address different but complementary concerns. 

The main difference between AHA and BHA is where they primarily work: AHAs work mainly on the skin's surface, while BHAs are oil-soluble and can work within oily pores.

If oiliness and congestion are your main concerns, see our guide to how to exfoliate oily skin, including where AHAs and salicylic acid fit into an exfoliation routine. 

Can You Use AHA BHA Every Day? The Honest Answer 

For most people, using AHA and BHA every day is unnecessary, especially when using leave-on exfoliating products. A practical starting frequency for leave-on products is 1–2 times a week, followed by a gradual increase only if your skin tolerates it. Some lower-strength or rinse-off formulations may be suitable for more frequent use, so always follow the product's directions. 

Using exfoliating acids too frequently can lead to signs of irritation and barrier disruption. Watch for persistent redness, tightness, unusual dryness, increased sensitivity or moisturiser stinging after application. If these symptoms appear, pause exfoliation and focus on a gentle cleanser, moisturiser and daily SPF 50 sunscreen until your skin feels comfortable again. 

How to Use AHA and BHA Correctly?

How to use AHA and how to use BHA correctly both come down to a few fundamentals: 

1. Apply leave-on products to clean, dry skin.
2. Use the recommended amount.
3. Don't layer multiple strong exfoliants in the same routine when starting.
4. Follow the directions for rinse-off products.
5. Follow with a moisturiser.
6. Apply broad-spectrum sunscreen every morning.

If you're using both AHA and BHA, consider alternating them across different days rather than layering them in the same routine, particularly when you're starting.

Conclusion

AHA and BHA can be effective chemical exfoliants when used at the right frequency for your skin and the product formulation. Using AHA and BHA every day is not necessary for most people, particularly with strong leave-on exfoliants. Lactic acid, an AHA, primarily exfoliates the skin's surface, while salicylic acid, a BHA, helps clear oil and buildup from pores. Start slowly, avoid excessive exfoliation, moisturise regularly, and use sunscreen every morning.