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 21, 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
Beiersdorf AG
Fresh Active Deodorant
Lists fragrance, fragrance allergens, drying alcohol, exfoliating acid
Dr. Squatch
Fresh Falls Full & Thick Shampoo
Shampoo · Lists fragrance, exfoliating acid, coconut derivatives
Original Source
fresh water mint and guarana
Lists fragrance, fragrance allergens, exfoliating acid, sulfates, chemical UV filters, coconut derivatives
L’Oréal
FRUCTIS - Banana Hair Food
Lists fragrance, fragrance allergens, exfoliating acid, salicylic acid, coconut derivatives
l-oreal
Fructis Aloe Hydra Bomb
Lists fragrance, fragrance allergens, exfoliating acid, sulfates, salicylic acid, coconut derivatives
Garnier
Fructis Hair Food Banana
Lists fragrance, fragrance allergens, exfoliating acid, salicylic acid
L’Oréal
Fructis Super Masque
Lists fragrance, fragrance allergens, exfoliating acid
Garnier Fructis
Garnier Fructis, Banana hair food, hair mask
Lists fragrance, fragrance allergens, exfoliating acid, salicylic acid, coconut derivatives
Mercadona
Gel - champú bebé para pieles atópicas
Lists fragrance, exfoliating acid, coconut derivatives
Deliplus
Gel de argán
Lists fragrance, fragrance allergens, exfoliating acid, sulfates, silicones, coconut derivatives
Deliplus
Gel de baño 10% urea
Lists exfoliating acid, sulfates, coconut derivatives
Cien
Gel de ducha 0%
Lists fragrance, exfoliating acid, sulfates, coconut derivatives
Sanex
Gel de ducha zero% piel sensible
Lists exfoliating acid, coconut derivatives
Sanex
Gel douche & Bain dermo hypo-allergenic, 0% savon
Lists fragrance, exfoliating acid, sulfates, salicylic acid, coconut derivatives
PALMOLIVE
GEL DOUCHE CREME
Lists fragrance, fragrance allergens, exfoliating acid, sulfates, salicylic acid, coconut derivatives
Axe
Gel Douche Homme Dark Tempation 5-en-1 Fraîcheur & Parfum 24h
Lists fragrance, fragrance allergens, exfoliating acid, essential oils, sulfates, coconut derivatives
Cosmia
Gel douche parfum cerise et jasmin
Lists fragrance, fragrance allergens, exfoliating acid, sulfates, coconut derivatives
Cosmia
Gel douche parfum marshmallow
Lists fragrance, exfoliating acid, sulfates, coconut derivatives
Cosmia
Gel douche parfum mûre et grenade
Lists fragrance, exfoliating acid, sulfates, coconut derivatives
Cosmia
Gel douche parfum olive
Lists fragrance, fragrance allergens, exfoliating acid, sulfates, coconut derivatives
Sanex
Gel douche Sanex Zéro % - Peaux Normales
Lists fragrance, exfoliating acid, coconut derivatives
Cien
Gel douche surgras
Lists fragrance, exfoliating acid, sulfates, coconut derivatives
Deliplus
Gel higiene íntima hidratante
Lists fragrance, exfoliating acid, coconut derivatives
Cosmia
Gel nettoyant intime fraîcheur
Lists exfoliating acid, sulfates, coconut derivatives
Related guides
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What DermNet NZ and the FDA say about retinoids, alpha hydroxy acids and salicylic acid: sun sensitivity, irritation, pregnancy and using them together.