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
L’Oréal
Elseve Fibralogy Innovation Filloxane
Lists fragrance, fragrance allergens, drying alcohol, exfoliating acid
L’Oréal
Elseve Fibralogy Shampooing créateur de matière (maxi format)
Lists fragrance, fragrance allergens, drying alcohol, exfoliating acid, sulfates, coconut derivatives
L’Oréal
Elseve Nutri-gloss Luminizer Shampooing haute brillance
Lists fragrance, fragrance allergens, exfoliating acid, sulfates, silicones, salicylic acid, coconut derivatives
L’Oréal
Elseve Phytoclear Antipelliculaire Cure 7 Jours
Lists fragrance, fragrance allergens, drying alcohol, exfoliating acid, essential oils
L’Oréal
Elseve Total Repair Cica Crème
Lists fragrance, fragrance allergens, exfoliating acid, silicones
L’Oréal
elvital fibralogy
Lists fragrance, fragrance allergens, drying alcohol, exfoliating acid, sulfates
L’oreal
Elvive conditioner
Lists fragrance, fragrance allergens, drying alcohol, exfoliating acid, sulfates, silicones
L’Oréal
Elvive Hidra [Hialurónico]
Lists fragrance, fragrance allergens, exfoliating acid, sulfates, silicones, salicylic acid, coconut derivatives
Thrive Causemetics
EmpowerMatte Precision Lipstick Crayon
Lip · Lists fragrance, exfoliating acid, silicones
Dove
Endless Waves Conditioner
Conditioner · Lists fragrance, fragrance allergens, exfoliating acid, silicones, coconut derivatives
Eucerin
Lists exfoliating acid, sulfates, silicones
Eucerin Advanced Repair Cream
Lists exfoliating acid, sulfates, silicones
Eucerin
Eucerin, Roughness Relief Lotion, Fragrance Free
Lists exfoliating acid
Kate Somerville
ExfoliKate Facial Cleanser
Cleanser · Lists fragrance allergens, exfoliating acid, essential oils, silicones, coconut derivatives
Kate Somerville
ExfoliKate Intensive Exfoliating Treatment
Exfoliant · Lists fragrance allergens, drying alcohol, exfoliating acid, retinoid, essential oils, salicylic acid
Deliplus
facial clean
Lists fragrance, fragrance allergens, exfoliating acid
Balea
Family Shampoo
Lists fragrance, fragrance allergens, exfoliating acid, sulfates, coconut derivatives
Naturium
Fermented Rice Enzyme Cleanser
Cleanser · Lists exfoliating acid, coconut derivatives
Dr. Dennis Gross
Firm & Bright Eye Treatment
Eye cream · Lists exfoliating acid
Unilever
Flawless Curls Mousse
Lists fragrance, exfoliating acid, silicones
alverde
Flüssigseife Bio-Minze und Bio-Bergamotte Nachfüllbeutel
Lists exfoliating acid, essential oils, sulfates, coconut derivatives
alverde
Flüssigseife Bio-Minze und Bio-Orange
Lists fragrance, fragrance allergens, drying alcohol, exfoliating acid, sulfates, coconut derivatives
Allies of Skin
Founder’s Essence 56 Ellagic & P.A.D. Light Reflecting Fluid
Toner · Lists exfoliating acid
Nivea Men
Fresh Active
Lists fragrance, fragrance allergens, drying alcohol, exfoliating acid
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