Acne scars can be stubborn, leaving behind uneven texture and pigmentation that take months to fade. Exfoliation is one of the most effective ways to accelerate skin renewal, and AHA (alpha hydroxy acid) and BHA (beta hydroxy acid) are powerful ingredients that work to improve skin tone and texture. By dissolving dead skin cells and promoting collagen production, these acids can help fade acne scars while preventing new breakouts https://www.enfieldroyalclinics.om/skincare-treatments/acne-scar-treatment/.
Understanding AHA and BHA: What’s the Difference?
AHA (Alpha Hydroxy Acid)
Water-soluble and works on the skin’s surface
Best for fading hyperpigmentation, dark spots, and surface scars
Promotes collagen production and improves skin elasticity
BHA (Beta Hydroxy Acid)
Oil-soluble and penetrates deep into pores
Best for oily and acne-prone skin
Clears clogged pores, reduces inflammation, and smooths out textured scars
Both AHAs and BHAs offer unique benefits for acne scars, and many skincare routines incorporate both to maximize results.
Benefits of AHA for Acne Scars
1. Exfoliates Dead Skin Cells
AHAs like glycolic acid and lactic acid break down dead skin cells
Encourages faster cell turnover, revealing fresh skin underneath
2. Brightens Dark Spots
Helps fade post-inflammatory hyperpigmentation (PIH)
Evens out skin tone and improves dullness
3. Boosts Collagen Production
Increases skin firmness and elasticity
Reduces the appearance of atrophic (indented) scars over time
4. Improves Skin Texture
Smooths rough and uneven skin
Minimizes the look of small, shallow scars
Benefits of BHA for Acne Scars
1. Deep Pore Cleansing
Salicylic acid, the most common BHA, penetrates deep into pores
Dissolves oil and debris, preventing future breakouts that lead to scars
2. Reduces Inflammation
Calms red, inflamed scars and promotes skin healing
Ideal for acne-prone and sensitive skin
3. Smooths Out Rough Texture
Helps with boxcar and rolling scars
Softens skin by clearing out dead skin and excess oil
4. Prevents Further Scarring
Keeps pores clear and reduces new acne formation
Prevents worsening of acne scars by controlling breakouts
Best AHA and BHA Products for Acne Scars
AHA-Based Products
The Ordinary Glycolic Acid 7% Toning Solution – Brightens skin and fades discoloration
Paula’s Choice 8% AHA Gel Exfoliant – Gentle yet effective resurfacing formula
Drunk Elephant T.L.C. Framboos Glycolic Night Serum – Smooths skin and reduces hyperpigmentation
BHA-Based Products
Paula’s Choice 2% BHA Liquid Exfoliant – Clears pores and reduces post-acne marks
COSRX BHA Blackhead Power Liquid – Mild exfoliation that helps fade scars over time
Neutrogena Oil-Free Acne Wash with Salicylic Acid – Daily cleanser that prevents breakouts and scarring
How to Use AHA and BHA for Acne Scars
1. Start Slow
Introduce AHAs and BHAs gradually, 2-3 times per week
Avoid using them on open wounds or active breakouts
2. Use Sunscreen Daily
AHAs make skin more sensitive to UV rays
Apply SPF 30+ every morning to prevent darkening of scars
3. Layer Correctly
Apply BHA first, as it penetrates deeper
Follow with AHA to target surface-level scars
4. Moisturize and Hydrate
AHAs and BHAs can cause dryness and irritation
Use a hydrating moisturizer to maintain skin barrier health
Final Thoughts
AHA and BHA exfoliation is a powerful way to fade acne scars, improve skin texture, and prevent new breakouts. While AHAs work on surface-level scars and pigmentation, BHAs go deeper to clear pores and smooth rough skin. Incorporating both into your routine can lead to brighter, healthier, and more even-toned skin over time. Always start with gentle formulations and be consistent to see the best results.