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
Olaplex
MOISTURIZE AND MEND LEAVE-IN CONDITIONER FULL SIZE
Conditioner · Lists fragrance, fragrance allergens, exfoliating acid, essential oils, coconut derivatives
Olaplex
MOISTURIZE AND MEND LEAVE-IN CONDITIONER TRAVEL SIZE
Conditioner · Lists fragrance, fragrance allergens, exfoliating acid, essential oils, coconut derivatives
Not Your Mother’s
Moisturizing Conditioner
Conditioner · Lists fragrance, exfoliating acid
Allies of Skin
Molecular Silk Amino Hydrating Cleanser
Cleanser · Lists exfoliating acid, coconut derivatives
Suave
Moroccan Infusion Shine Conditioner
Conditioner · Lists fragrance, exfoliating acid, silicones, formaldehyde releasers, coconut derivatives
Naturium
Multi-Bright Advanced Serum
Serum · Lists exfoliating acid
Dermalogica
Multivitamin Power Recovery Cream
Moisturizer · Lists fragrance allergens, exfoliating acid, retinoid, essential oils
Dermalogica
Multivitamin Power Recovery Masque
Mask · Lists exfoliating acid, retinoid, essential oils, silicones
Alverde
MUNDSPÜLUNG MIT BIO-MELISSE
Lists fragrance, exfoliating acid
Sanex
Natur Protect
Lists fragrance, exfoliating acid, silicones
NARS
Natural Matte Longwear Foundation
Foundation · Lists exfoliating acid, silicones, coconut derivatives
Henkel
Neutromed lenitivo ph 5,5
Lists fragrance, fragrance allergens, exfoliating acid, sulfates, salicylic acid, coconut derivatives
nioxin shampoo
Lists fragrance, fragrance allergens, exfoliating acid, essential oils, sulfates, parabens, formaldehyde releasers
Nivea
Nive jabon intimo
Lists fragrance, exfoliating acid, sulfates, coconut derivatives
Nivea
Nivea Fresh Natural
Lists fragrance, fragrance allergens, exfoliating acid
Nivea
Nivea intimo
Lists fragrance, exfoliating acid, sulfates, coconut derivatives
Beiersdorf
Nivea Intimsåpe 250ml
Lists fragrance, exfoliating acid, sulfates, coconut derivatives
Nivea
Nivea Man FRESH OCEAN 0% Aluminium (ACH) 48h Deo-Schutz Antibakteriell
Lists fragrance, fragrance allergens, drying alcohol, exfoliating acid
Nivea
Nivea Men Fresh Active
Lists fragrance, fragrance allergens, drying alcohol, exfoliating acid, chemical UV filters
Nivea
Nivea Men Fresh Power Quick Dry 48H Deodorant
Lists fragrance, fragrance allergens, drying alcohol, exfoliating acid
Olaplex
Nº.4CURL BOND SHAPER HYDRATING CURL SHAMPOO FULL SIZE
Shampoo · Lists fragrance, fragrance allergens, exfoliating acid, essential oils, coconut derivatives
Olaplex
Nº.4CURL BOND SHAPER HYDRATING CURL SHAMPOO LITER
Shampoo · Lists fragrance, fragrance allergens, exfoliating acid, essential oils, coconut derivatives
Olaplex
Nº.4CURL BOND SHAPER HYDRATING CURL SHAMPOO TRAVEL SIZE
Shampoo · Lists fragrance, fragrance allergens, exfoliating acid, essential oils, coconut derivatives
Olaplex
Nº.5CURL BOND SHAPER HYDRATING CURL CONDITIONER FULL SIZE
Conditioner · Lists fragrance, fragrance allergens, exfoliating acid, essential oils
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