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 22, 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
First Aid Beauty
Brighten + Glow Facial Radiance Pads with Glycolic + Lactic Acids
Exfoliant · Lists exfoliating acid
Alpyn Beauty
Brightening Bubbling Cleanser
Cleanser · Lists fragrance, fragrance allergens, drying alcohol, exfoliating acid, essential oils, coconut derivatives
Juice Beauty
Brightening Gel Cleanser
Cleanser · Lists exfoliating acid, essential oils, coconut derivatives
Caudalie
Brightening Glycolic Peel Mask
Exfoliant · Lists fragrance, fragrance allergens, exfoliating acid, essential oils, coconut derivatives
BYOMA
Brightening Serum
Serum · Lists exfoliating acid
Kopari
Brightening Silk Body Cream
Body lotion · Lists fragrance, fragrance allergens, exfoliating acid, essential oils, silicones, coconut derivatives
BYOMA
Brightening Toner
Toner · Lists fragrance, exfoliating acid
Tula
Brightening Treatment Drops
Serum · Lists exfoliating acid
CeraVe
Brightening Vitamin C Cleanser
Cleanser · Lists exfoliating acid, salicylic acid, coconut derivatives
John Frieda
Brilliant Brunette Soin démêlant nutrition protection couleur
Lists fragrance, fragrance allergens, drying alcohol, exfoliating acid, retinoid, silicones, formaldehyde releasers
Pai
British Summer Time | Sunscreen for Sensitive Skin
Sunscreen · Lists exfoliating acid, essential oils, coconut derivatives
burt’s bees baby nourishing lotion original
Lists fragrance, exfoliating acid, coconut derivatives
The Ordinary
Caffeine solution
Lists fragrance allergens, exfoliating acid
The Ordinary
Caffeine Solution 5% + EGCG
Lists fragrance allergens, exfoliating acid
The Ordinary
Caffeine Solution 5% + EGCG Eye Serum
Eye cream · Lists fragrance allergens, exfoliating acid, salicylic acid
California Naturals
California Naturals shampoo Scalp and hair care for women and Men, coconut cleaning complex, natural, vegan, cruelty, silicone,paraben and sulfate free shampoo, all hair types
Lists fragrance, exfoliating acid, coconut derivatives
AmLactin
Calm & Renew Butter
Body lotion · Lists exfoliating acid, silicones
AmLactin
Calm & Renew Lotion
Body lotion · Lists exfoliating acid, coconut derivatives
Carex
Cared Forest Fruits Hand Wash
Lists fragrance, fragrance allergens, exfoliating acid, sulfates, chemical UV filters, coconut derivatives
Swiss Toniq Geneva
Cellular Night Repair Miracle Without Essential Oil
Lists exfoliating acid
Sedal
Ceramidas
Lists fragrance, fragrance allergens, exfoliating acid, retinoid, silicones
Inika Organic
Certified Organic Liquid Foundation
Foundation · Lists fragrance allergens, exfoliating acid, essential oils, coconut derivatives
Inika Organic
Certified Organic Sheer Coverage Concealer
Concealer · Lists fragrance allergens, exfoliating acid, essential oils, coconut derivatives
Related guides
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