Lactic Acid
Lactic Acid is a humectant and skin conditioning ingredient. It’s in 722 products on Poliage, most often conditioner, exfoliant and lip. Avoid lists on Poliage that include it: none.
Updated October 22, 2026
In plain English
An acid found in fermented milk and made by fermentation. Adjusts pH and, at higher levels, loosens dead surface skin.
What it does
Contains Lactic Acid: buffering
Function listed in CosIng
Contains Lactic Acid: humectant
Function listed in CosIng
Contains Lactic Acid: skin-conditioning
Function listed in CosIng
Source: CosIng, the European Commission cosmetic ingredient database, ref 34809, accessed October 22, 2026. Also listed as acidum lacticum and alpha hydroxy acid lactic.
Products that contain Lactic Acid
Olaplex
RICH HYDRATION MASK
Conditioner · Lists fragrance, fragrance allergens, drying alcohol, exfoliating acid, coconut derivatives
Cosmia
Ritual gourmand parfum mûre et grenade
Lists fragrance, fragrance allergens, drying alcohol, exfoliating acid, sulfates, chemical UV filters, coconut derivatives
Fekkai
Root Lift
Hair styling · Lists fragrance, fragrance allergens, exfoliating acid
Suave
Rose Oil Infusion Volumizing Conditioner
Conditioner · Lists fragrance, exfoliating acid, silicones
Camille Rose
Rosemary Oil Strengthening Leave-In Conditioner
Conditioner · Lists exfoliating acid, essential oils
Garnier
Salicylique lotion exfoliante
Lists fragrance, exfoliating acid
Sanex
Sanex Dch Surgras Reparat
Lists fragrance, exfoliating acid, sulfates, coconut derivatives
Sanex
Sanex dermo hydrating
Lists fragrance, exfoliating acid, sulfates, coconut derivatives
Colgate-Palmolive
Sanex dermo protector - peaux normales
Lists fragrance, exfoliating acid, sulfates, coconut derivatives
sanex
Sanex gel douche - peaux sèches
Lists fragrance, exfoliating acid, coconut derivatives
Sanex
Sanex men 0% deodorant
Lists fragrance, exfoliating acid
Sanex
Sanex Men Skin Health 6-in-1 Active Fresh Douchegel
Lists fragrance, exfoliating acid, coconut derivatives
Sanex
Sanex Natur protect
Lists fragrance, exfoliating acid
r.e.m. beauty
Satin Slumber Lip Mask
Lip · Lists fragrance, fragrance allergens, exfoliating acid, essential oils
Cosmia
Savon soin sensation d’hydratation
Lists fragrance, fragrance allergens, exfoliating acid
Dove
Scalp + Hair Therapy Clarifying Shampoo
Shampoo · Lists fragrance, fragrance allergens, exfoliating acid, coconut derivatives
Dove
Scalp + Hair Therapy Hydrating Conditioner
Conditioner · Lists fragrance, fragrance allergens, exfoliating acid, silicones
Dove
Scalp + Hair Therapy Strengthening Conditioner
Conditioner · Lists fragrance, fragrance allergens, exfoliating acid, silicones
Sachajuan
SCALP CONDITIONER
Conditioner · Lists fragrance, drying alcohol, exfoliating acid, essential oils, silicones, salicylic acid, coconut derivatives
Sachajuan
SCALP SHAMPOO
Shampoo · Lists fragrance, fragrance allergens, exfoliating acid, essential oils, sulfates, salicylic acid, coconut derivatives
Henkel
Schauma Phyto-Coffein
Conditioner · Lists fragrance, fragrance allergens, drying alcohol, exfoliating acid, silicones
Balea
Schönheitsgeheimnisse Pflegende Duschcreme Goldene Milch
Lists fragrance, fragrance allergens, exfoliating acid, sulfates, coconut derivatives
the honey pot
sensitive foaming wash
Lists fragrance allergens, exfoliating acid, essential oils, coconut derivatives
Dove
Serum+ Bump Dual Action Scrub
Exfoliant · Lists fragrance, fragrance allergens, exfoliating acid, salicylic acid, coconut derivatives
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