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
Renee Rouleau
Triple Berry Smoothing Scrub
Exfoliant · Lists fragrance, exfoliating acid, essential oils, coconut derivatives
Josie Maran
Triple Hydroxy Resurfacing Liquid
Exfoliant · Lists exfoliating acid
Skinfix
Triple Lipid Activating Serum
Serum · Lists exfoliating acid
Kenra Professional
Triple Repair Shampoo
Shampoo · Lists fragrance, fragrance allergens, exfoliating acid, silicones, coconut derivatives
Original Source
Tropical Coconut & Shea Butter
Lists fragrance, exfoliating acid, sulfates, coconut derivatives
SKIN&CO
Truffle Therapy Cleansing Foam
Lists fragrance, fragrance allergens, exfoliating acid, coconut derivatives
Kenra Professional
Truly Thickening Shampoo
Shampoo · Lists fragrance, fragrance allergens, exfoliating acid, essential oils, silicones, coconut derivatives
Tula
Tula 24/7 ultra hydrating
Lists fragrance, fragrance allergens, exfoliating acid
Tula
TULA bedtime bright
Lists exfoliating acid
Tula
Tula bright start
Lists fragrance allergens, exfoliating acid
Tula
Tula moisturiser +spf30
Lists exfoliating acid, silicones
Tula
TULA sun protection measures
Lists exfoliating acid, chemical UV filters
SHEGLAM
Ultra Light Volumizing Hair Mask
Conditioner · Lists fragrance, fragrance allergens, exfoliating acid, silicones
BYOMA
Ultralight Face Fluid SPF30
Sunscreen · Lists exfoliating acid, chemical UV filters, coconut derivatives
BYOMA
Ultralight Face Fluid SPF50
Sunscreen · Lists exfoliating acid, chemical UV filters, coconut derivatives
Dr. Squatch
Unscented Wipes
Deodorant · Lists exfoliating acid
UP & Up restoring lotion
Lists fragrance allergens, exfoliating acid, silicones
Vegamour
UPLIFT Volumizing Conditioner
Conditioner · Lists fragrance, fragrance allergens, exfoliating acid, essential oils, coconut derivatives
Vegamour
UPLIFT Volumizing Shampoo
Shampoo · Lists fragrance, fragrance allergens, exfoliating acid, essential oils, coconut derivatives
Instituto Español
Urea gel de baño avanzado
Lists fragrance, fragrance allergens, exfoliating acid, sulfates, coconut derivatives
Eucerin
Urea Repair
Lists exfoliating acid
Eucerin
UreaRepair PLUS 10%
Lists exfoliating acid
Unilever
Vaseline Intensive Care Essential Healing Bodylotion
Lists fragrance, fragrance allergens, exfoliating acid, parabens, silicones
Jeffree Star Cosmetics
Velour Lip Liner
Lip · Lists fragrance, exfoliating acid, silicones
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