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
Pixi
+Hydra LipTreat
Lip · Lists fragrance, fragrance allergens, exfoliating acid, essential oils
Shea Moisture
100% Virgin Coconut Oil Moisture Boosting Conditioner
Lists fragrance, exfoliating acid
Andalou Naturals
1000 Roses Biome Balancing Toner
Toner · Lists fragrance, fragrance allergens, exfoliating acid, essential oils, coconut derivatives
Andalou Naturals
1000 Roses Cleansing Foam
Lists exfoliating acid, coconut derivatives
Andalou Naturals
1000 Roses Gentle Cleansing Foam
Cleanser · Lists fragrance, fragrance allergens, exfoliating acid, essential oils, coconut derivatives
Dr. Dennis Gross
2% BHA+ Breakout Solution
Exfoliant · Lists fragrance allergens, drying alcohol, exfoliating acid
Tula
24-7 Moisture Intense
Moisturizer · Lists fragrance, fragrance allergens, exfoliating acid
Tula
24-7 Moisture Luminous Brightening Moisturizer
Moisturizer · Lists fragrance, fragrance allergens, exfoliating acid, essential oils, silicones
Tula
24-7 Weightless Moisture
Moisturizer · Lists exfoliating acid, coconut derivatives
The INKEY List
360° Acne Clearing Serum
Serum · Lists fragrance allergens, exfoliating acid, silicones, salicylic acid, coconut derivatives
PUR Cosmetics
4-in-1 Foundation Stick Cream-to-Velvet Matte Foundation
Foundation · Lists exfoliating acid, retinoid
PUR Cosmetics
4-in-1 Sculpting Concealer with Skincare Ingredients
Concealer · Lists exfoliating acid, retinoid, silicones
Tula
A+ Renewal
Serum · Lists exfoliating acid, retinoid
100% Pure
Acai Pulp Facial Scrub
Exfoliant · Lists fragrance allergens, exfoliating acid
Cetaphil
Acne Relief Body Wash
Body wash · Lists fragrance allergens, exfoliating acid, salicylic acid, coconut derivatives
Vintner’s Daughter
Active Refining Mask
Mask · Lists exfoliating acid
Vintner’s Daughter
Active Treatment Essence
Toner · Lists exfoliating acid, coconut derivatives
Dr. Brandt
Advanced Microdermabrasion Face Exfoliator
Exfoliant · Lists fragrance allergens, drying alcohol, exfoliating acid, essential oils
Swiss Toniq Geneva
Advanced Repair 11-in-1 Serum With Essential Oil
Lists exfoliating acid, essential oils
Swiss Toniq Geneva
Advanced Repair 11-in-1 Serum Without Essential Oil
Lists exfoliating acid
Eucerin
Advanced Repair Hand Cream
Lists exfoliating acid, sulfates, silicones
NARS
Afterglow Lip Balm
Lip · Lists exfoliating acid, silicones, coconut derivatives
NARS
Afterglow Sensual Shine Lipstick
Lip · Lists exfoliating acid, silicones, coconut derivatives
Pai
Age Confidence Eye Cream for Fine Lines & Wrinkles
Eye cream · Lists exfoliating acid
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