
Image: cosrx.com
COSRX
The AHA BHA PHA LHA 35 Peel
A peel built around AHA and Glycolic acid, for smoothing and exfoliation.
Brand price
USD 19.00 · checked 25 Sept 2026 · on the brand's site
From the brand
What the brand says about this product. Our ingredient analysis follows below.
The brand recommends it for
- Acne & blemishes
- Dullness
- Uneven texture
How to use
Use once a week/PM. Apply a generous amount to clean, dry skin, avoiding the eye area and lips. Leave on for no more than 10 minutes and then rinse off using lukewarm water. *Patch test is recommended before use
What's inside
Ingredients List
4 trigger at least one check · 23 trigger none
- AHA
- Glycolic acid
- Anti-Aging
- Brightening
- Dark Spots
- Exfoliating
- Smoothing
- Panthenol (provitamin B5)
- Barrier Repair
- Hydrating
- Reduces Irritation
Key Ingredients
AHA4
Alpha hydroxy acids — water-soluble chemical exfoliants.
Benefits
Hydrating5
Boosts hydration and relieves dry, tight skin.
Gluconolactone, Hydrolyzed Hyaluronic Acid, Lactic Acid, Panthenol, Tocopherol
Smoothing6
Refines rough or uneven texture.
Allantoin, Citric Acid, Glycolic Acid, Lactic Acid, Mandelic Acid, Salicylic Acid
Exfoliating6
Lifts dead surface cells to smooth texture.
Citric Acid, Gluconolactone, Glycolic Acid, Lactic Acid, Mandelic Acid, Salicylic Acid
Concerns
May Worsen Seborrheic Dermatitis3
May feed the yeast involved in seborrheic dermatitis.
Octyldodeceth-16, Polyacrylate Crosspolymer-6, Polysorbate 60
Ingredients Explained
Click on any ingredient to learn more about it
Water
Antiplaque, Skin Conditioning, Solvent
Aqua (EU),Deionized Water,Distilled Water,Micromatrix Fractile AN,Onsen-Sui (JPN),Purified Water
Learn more about Water →Glycolic Acid
Buffering
Glycolic Acid is an AHA.
Learn more about Glycolic Acid →Lactic Acid
Buffering, Humectant, Skin Conditioning
Lactic Acid is an AHA.
Learn more about Lactic Acid →Potassium Hydroxide
Buffering
Potassium Hydroxide is the inorganic base
Learn more about Potassium Hydroxide →Gluconolactone
Chelating, Skin Conditioning
Gluconolactone is a PHA.
Learn more about Gluconolactone →Mandelic Acid
Antimicrobial
Mandelic Acid is an AHA.
Learn more about Mandelic Acid →Dipropylene Glycol
Fragrance, Perfuming, Solvent, Viscosity Controlling
1,1'-Oxydipropan-2-ol; Oxydipropan-2-ol; Hydroxypropyloxypropanol
Learn more about Dipropylene Glycol →Panthenol
Antistatic, Hair Conditioning, Skin Conditioning
Panthenol is panthenol (provitamin B5).
Learn more about Panthenol →Salicylic Acid
Anti-seborrheic, Fragrance, Hair Conditioning, Keratolytic, Preservative, Skin Conditioning
Salicylic Acid is a BHA.
Learn more about Salicylic Acid →Methylpropanediol
Solvent
2-Methyl-1,3-propanediol
Learn more about Methylpropanediol →
Dupes
- Minimalist AHA PHA BHA 32% Face Peel64% match
- Paula's Choice 25% AHA + 2% BHA Exfoliant Peel63% match