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
Murad
Superactive Moisturizer SPF 50: Wrinkle-Fighting
Sunscreen · Lists fragrance, fragrance allergens, exfoliating acid, chemical UV filters, coconut derivatives
Oars + Alps
Superfoliant Body Scrub
Exfoliant · Lists fragrance, exfoliating acid, coconut derivatives
Sanex
Surgras réparateur peaux sensibles
Lists fragrance, exfoliating acid, sulfates, coconut derivatives
Naturopathica
Sweet Cherry Brightening Enzyme Peel
Exfoliant · Lists fragrance, exfoliating acid, salicylic acid
palette
syoss mousse per capelli
Lists fragrance, exfoliating acid
Drunk Elephant
T.L.C. Framboos Glycolic Night Serum
Lists exfoliating acid, salicylic acid
Drunk Elephant
T.L.C. Framboos Glycolic Resurfacing Night Serum
Serum · Lists exfoliating acid, salicylic acid
Drunk Elephant
T.L.C. Happi Scalp Scrub
Exfoliant · Lists exfoliating acid, salicylic acid, coconut derivatives
Drunk Elephant
T.L.C. Sukari Babyfacial AHA + BHA Mask
Mask · Lists exfoliating acid, salicylic acid
100% Pure
Tea Tree Deep Detox Mask
Mask · Lists fragrance allergens, exfoliating acid, essential oils, salicylic acid
Dr. Dennis Gross
Texture Renewal Serum
Serum · Lists exfoliating acid, retinoid, salicylic acid
COSRX
The AHA BHA PHA LHA 35 Peel
Exfoliant · Lists exfoliating acid, salicylic acid
Naturium
The Calmer Ceramide Body Wash
Body wash · Lists exfoliating acid, coconut derivatives
Maelove
The Refresher AHA Clarifying Cleanser
Cleanser · Lists exfoliating acid, essential oils, coconut derivatives
Naturium
The Revealer Sulfur Body Wash
Body wash · Lists exfoliating acid, coconut derivatives
Rituals
The ritual of namaste anti-aging day cream
Lists fragrance, fragrance allergens, exfoliating acid, coconut derivatives
Naturium
The Smoother Glycolic Acid Exfoliating Body Wash
Body wash · Lists exfoliating acid, coconut derivatives
Not Your Mother’s
Thickening Conditioner
Conditioner · Lists fragrance, exfoliating acid
Sachajuan
THICKENING CONDITIONER
Conditioner · Lists fragrance, fragrance allergens, exfoliating acid, silicones
Swiss Toniq Geneva
Time Response 11-in-1 Serum With Essential Oil
Lists exfoliating acid, essential oils
Swiss Toniq Geneva
Time Response 11-in-1 Serum Without Essential Oil
Lists exfoliating acid
Unilever
Timotei Après Shampoing à l’Huile d’Argan Bio Cheveux Abîmés
Lists fragrance, fragrance allergens, exfoliating acid, silicones, formaldehyde releasers, coconut derivatives
Unilever
Timotei Après Shampoing Cheveux Normaux
Lists fragrance, fragrance allergens, exfoliating acid, coconut derivatives
Unilever
Timotei Après Shampoing Femme enrichie aux Huiles d’Argan Bio et d’Amande et Fleur de Jasmin Lot 2x300ML
Lists fragrance, fragrance allergens, exfoliating acid, silicones, coconut derivatives
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