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
Vegamour
GRO+ Advanced Hair Serum
Hair styling · Lists drying alcohol, exfoliating acid
Tula
H₂Oasis
Mask · Lists exfoliating acid
The Ordinary
HA + Asiaticoside Lip Treatment
Lip · Lists exfoliating acid
Innersense
Hair Renew Daily Active Serum
Hair styling · Lists fragrance allergens, drying alcohol, exfoliating acid, essential oils
T is for Tame
Hair Taming Spray
Lists fragrance, exfoliating acid, silicones, coconut derivatives
Balea
Handcreme
Lists fragrance, fragrance allergens, exfoliating acid, essential oils, coconut derivatives
Gold Bond
HEALING FOOT CREAM
Body lotion · Lists fragrance, exfoliating acid, silicones
Unilever
Heavenly Milk Shower Cream
Lists fragrance, fragrance allergens, exfoliating acid, sulfates, formaldehyde releasers, coconut derivatives
Tresemmé
Hidratación intensa acondicionador
Lists fragrance, fragrance allergens, exfoliating acid, silicones
Gisou
Honey Gloss Ceramide Therapy Hydrating Conditioner
Conditioner · Lists fragrance, fragrance allergens, drying alcohol, exfoliating acid, essential oils, coconut derivatives
SHEGLAM
Hot Goss Plumping Lip Gloss-That’s Juicy!
Lip · Lists fragrance, exfoliating acid, coconut derivatives
Elvive
Hyaluron + Plump Hydrating Conditioner with Hyaluronic Acid for Dry Hair
Conditioner · Lists fragrance, fragrance allergens, drying alcohol, exfoliating acid, sulfates, silicones
Suave
Hyaluronic Infusion Moisturizing Conditioner
Conditioner · Lists fragrance, fragrance allergens, exfoliating acid, silicones
Vegamour
HYDR-8 Leave-In Conditioner
Conditioner · Lists fragrance, fragrance allergens, exfoliating acid, coconut derivatives
Suave
Hydra Gloss Sulfate Free Conditioner
Conditioner · Lists fragrance, exfoliating acid, silicones
Glo Skin Beauty
Hydra-Bright Pro 5 Liquid Exfoliant
Exfoliant · Lists exfoliating acid
Facetheory
HydraCleanse Rebalancing Gel Cleanser
Cleanser · Lists exfoliating acid, coconut derivatives
Facetheory
HydraOat Calming Toner
Toner · Lists exfoliating acid
Colgate-Palmolive
Hydrate 24h
Lists fragrance, exfoliating acid, sulfates, salicylic acid, coconut derivatives
Duke Cannon
Hydrating Face Wash
Lists exfoliating acid, coconut derivatives
BYOMA
Hydrating Serum
Serum · Lists exfoliating acid
Swiss Toniq Geneva
Hydration Pro Serum (24hour Hydration) With Essential Oil
Lists exfoliating acid, essential oils
Swiss Toniq Geneva
Hydration Pro Serum (24hour Hydration) Without Essential Oil
Lists exfoliating acid, essential oils
Westman Atelier
HydroBalm Tinted Lipstick
Lip · Lists exfoliating acid
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