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 23, 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
Yves Rocher
Ma/my Purecalmille
Lists fragrance, fragrance allergens, exfoliating acid, salicylic acid, coconut derivatives
Patrick Ta
Major Moisture Smoothing Lip Balm
Lip · Lists fragrance, fragrance allergens, exfoliating acid, coconut derivatives
Allies of Skin
Mandelic Pigmentation Corrector Night Serum
Serum · Lists exfoliating acid, salicylic acid
Naturopathica
Marshmallow & Probiotic Sensitivity Soothing Cream Cleanser
Cleanser · Lists exfoliating acid, coconut derivatives
Naturium
Marshmallow Root Barrier Balm
Moisturizer · Lists exfoliating acid, silicones
Cosmia
Masque extra doux
Lists fragrance, fragrance allergens, exfoliating acid, silicones
l-oreal
Masque nourrissant hair food banane
Lists fragrance, fragrance allergens, exfoliating acid, salicylic acid, coconut derivatives
Cosmia
Masque nutritif technique color
Lists fragrance, fragrance allergens, exfoliating acid, silicones, chemical UV filters
Unilever
Masque Réparation Miraculeuse - Timotei
Lists fragrance, fragrance allergens, exfoliating acid, silicones, formaldehyde releasers
Dr. Dennis Gross
Meltaway Cleanser
Cleanser · Lists exfoliating acid
Nivea
Men Fresh Active
Lists fragrance, fragrance allergens, drying alcohol, exfoliating acid
Andalou Naturals
MEN Refreshing Face Wash
Cleanser · Lists fragrance, fragrance allergens, exfoliating acid, essential oils, coconut derivatives
Sanex
Men Shampooing Antipelliculaire
Lists fragrance, exfoliating acid, sulfates, coconut derivatives
Balea
Milde Seife Pflege & Hygiene
Lists fragrance, exfoliating acid, sulfates, coconut derivatives
Beekman 1802
Milk Scrub Oat + Goat Milk Exfoliating Facial Cleanser
Exfoliant · Lists exfoliating acid
Kora Organics
Milky Mushroom Gentle Cleansing Oil
Cleanser · Lists fragrance allergens, drying alcohol, exfoliating acid, essential oils
Dove
Mineral Hair Mask Smoothes + Pink Clay
Conditioner · Lists fragrance, fragrance allergens, exfoliating acid, silicones
Physicians Formula
Mineral Wear Diamond pH Lip Plumper Balm
Lip · Lists exfoliating acid, essential oils, silicones
Renee Rouleau
Mint Renewal Cleanser
Cleanser · Lists exfoliating acid, essential oils, coconut derivatives
Dr. Dennis Gross
Moisture Cushion
Moisturizer · Lists fragrance allergens, exfoliating acid, silicones, coconut derivatives
Suave
Moisture Repair Sulfate-Free Conditioner
Conditioner · Lists fragrance, exfoliating acid, silicones
TRESemmé
Moisture Rich Conditioner
Lists fragrance, fragrance allergens, exfoliating acid, silicones
BYOMA
Moisturising Gel Cream
Moisturizer · Lists exfoliating acid
BYOMA
Moisturising Rich Cream
Moisturizer · Lists exfoliating acid
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