About this product
COSRX The AHA BHA PHA LHA 35 Peel 30ml is a professional-grade chemical peel combining four exfoliating acid types at a total 35% concentration for deep resurfacing, pore refinement, and skin renewal. Recommended for experienced exfoliant users — use weekly with a patch test to reveal significantly smoother, more even skin.
Best for combination, oily, dull skin looking to address dullness, texture, hyperpigmentation — with a focus on intensive exfoliation.
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Quick Stats
Key Ingredients
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Product Claims
Common Allergens
Based on confirmed product attributes. Always check the full ingredient list for personal allergens.
Always check the full ingredient list if you have known allergies or sensitivities.
How to Use
- 1Apply to clean, dry face
- 2Leave 10-15 minutes (or 20-30 for overnight)
- 3Rinse thoroughly
Patch Test Recommended
This product contains high-strength actives. Before full application, apply a small amount to your inner arm or jaw and wait 24 hours to check for irritation.
If you experience redness, burning, or itching — discontinue use and consult a dermatologist.
Dermatologist Note
AHA 27.98% + BHA 2% + PHA 5% + LHA 0.02% with B vitamins and hyaluronic acid.
Based on published clinical literature and dermatological research.
Ingredient Analysis
Full Ingredient List (INCI)
4 ingredientsListed in order of concentration (highest first)
Glycolic Acid (AHA), Lactic Acid (AHA), Salicylic Acid (BHA), Gluconolactone (PHA)
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Disclaimer: The information on this page is for informational purposes only and does not constitute medical or dermatological advice. Always do your own research, consult a qualified professional if you have concerns, and patch test new products before full application — especially if you have sensitive or reactive skin.