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 21, 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
PUR Cosmetics
Quick Draw Concealer Pencil
Concealer · Lists exfoliating acid, retinoid, silicones
Algenist
Radiance Glow Refining Multi-Tasking Peel Pads
Exfoliant · Lists exfoliating acid, salicylic acid
Renee Rouleau
Rapid Response Detox Cleanser
Cleanser · Lists exfoliating acid, essential oils, coconut derivatives
Renee Rouleau
Rapid Response Detox Toner
Toner · Lists exfoliating acid, essential oils, salicylic acid
Dermalogica
rapid reveal peel
Exfoliant · Lists fragrance allergens, exfoliating acid, essential oils, coconut derivatives
Rausch
RAUSCH Meerestang Kopfhaut-Kur
Lists fragrance, fragrance allergens, exfoliating acid, essential oils, silicones
Marie Veronique
Refining Cleanser
Cleanser · Lists exfoliating acid, essential oils
Olay
Regenerist Resurfacing Peel Night Treatment
Exfoliant · Lists exfoliating acid, silicones, salicylic acid
Inika Organic
Renew & Restore Peel
Exfoliant · Lists exfoliating acid
Murad
Renewing Face Cleansing Cream
Cleanser · Lists fragrance, exfoliating acid, chemical UV filters, coconut derivatives
Deliplus
Repair
Lists fragrance, fragrance allergens, drying alcohol, exfoliating acid, silicones
Marie Veronique
Rescue Tonic
Toner · Lists fragrance, exfoliating acid, essential oils
Unilever
Restoring ritual body lotion
Lists fragrance, fragrance allergens, exfoliating acid, parabens, silicones, coconut derivatives
Acure
Resurfacing Cleanser with 1% Glycolic Acid & Unicorn Root
Cleanser · Lists exfoliating acid, essential oils, coconut derivatives
Andalou Naturals
Resurfacing Glycolic Cleansing Gel
Cleanser · Lists fragrance, fragrance allergens, exfoliating acid, essential oils, coconut derivatives
Andalou Naturals
Resurfacing Overnight Glycolic Serum
Serum · Lists fragrance, fragrance allergens, exfoliating acid, essential oils, coconut derivatives
Philosophy
resurfacing solution
Exfoliant · Lists drying alcohol, exfoliating acid
Grown Alchemist
Resurfacing Targeted Body Cleanser
Body wash · Lists fragrance, fragrance allergens, exfoliating acid, essential oils, salicylic acid, coconut derivatives
Grown Alchemist
Resurfacing Targeted Body Lotion
Body lotion · Lists fragrance, fragrance allergens, exfoliating acid, essential oils, salicylic acid
Andalou Naturals
Resurfacing Texture Refining Night Cream
Moisturizer · Lists fragrance, fragrance allergens, exfoliating acid, essential oils
Andalou Naturals
Resurfacing Triple Acid Exfoliating Toner
Toner · Lists fragrance, fragrance allergens, exfoliating acid, essential oils, coconut derivatives
Obagi
Retexturizing Exfoliating Peel
Exfoliant · Lists drying alcohol, exfoliating acid, salicylic acid
The Ordinary
Retinal 0.2% Emulsion
Moisturizer · Lists exfoliating acid, retinoid, coconut derivatives
Palladio
RETRACTABLE WATERPROOF LIP LINER
Lip · Lists exfoliating acid, silicones
Related guides
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