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
Dr. Dennis Gross
Biocellulose Brightening Treatment Mask
Mask · Lists exfoliating acid, essential oils
Dermalogica
Biolumin C Night Restore Serum
Serum · Lists fragrance allergens, exfoliating acid, essential oils
Dermalogica
Biolumin C Serum
Serum · Lists fragrance allergens, exfoliating acid, essential oils
Sanex
Biome Protect
Lists fragrance, exfoliating acid, coconut derivatives
Sanex
Biomeprotect Dermo Shower Gel
Lists fragrance, exfoliating acid, coconut derivatives
Sachajuan
BIOSHIELD SHAMPOO
Shampoo · Lists fragrance, fragrance allergens, exfoliating acid, sulfates, coconut derivatives
Facetheory
Blemicalm BHA 2% Clarifying Toner
Toner · Lists exfoliating acid, salicylic acid, coconut derivatives
AXE
Blue lavender
Lists fragrance, fragrance allergens, exfoliating acid, essential oils, sulfates, coconut derivatives
Glow Recipe
Blueberry Bounce Gentle Cleanser
Cleanser · Lists fragrance, exfoliating acid
CARE
Body lotion
Body lotion · Lists fragrance, fragrance allergens, exfoliating acid, silicones
Sachajuan
BODY LOTION GINGER FLOWER
Body lotion · Lists fragrance, fragrance allergens, exfoliating acid, silicones
Unilever
Body Lotion Hydro Pflege
Lists fragrance, fragrance allergens, exfoliating acid, parabens, silicones
Sachajuan
BODY LOTION SHINY CITRUS
Body lotion · Lists fragrance, fragrance allergens, exfoliating acid, silicones
Garnier
Body superfood
Lists exfoliating acid
Lavilin
Body Wash
Body wash · Lists fragrance, exfoliating acid, sulfates
SHEGLAM
Bold Booster Lip Plumper-Blush Drizzle
Blush · Lists exfoliating acid
Ouai
Bond Repair Balm
Hair styling · Lists fragrance, fragrance allergens, drying alcohol, exfoliating acid, silicones
Suave
Bonding Infusion Repairing Conditioner
Conditioner · Lists fragrance, fragrance allergens, exfoliating acid, silicones
Tula
Breakout Star
Moisturizer · Lists exfoliating acid, silicones, salicylic acid
AmLactin
Bright & Smooth Serum
Serum · Lists exfoliating acid, coconut derivatives
Thrive Causemetics
Bright Balance 2-in-1 Instant Exfoliator
Exfoliant · Lists exfoliating acid, salicylic acid, coconut derivatives
Tula
Bright Start
Moisturizer · Lists fragrance allergens, exfoliating acid, essential oils
Skinfix
Brighten + Firm 15% Vitamin C Serum
Serum · Lists exfoliating acid
First Aid Beauty
Brighten + Glow Exfoliating Gel Cleanser with AHA and Jojoba Pearls
Cleanser · Lists exfoliating acid, coconut derivatives
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