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
Renee Rouleau
Overnight Eye Serum
Eye cream · Lists exfoliating acid
Counter
Overnight Resurfacing Peel
Exfoliant · Lists fragrance, fragrance allergens, exfoliating acid, essential oils, salicylic acid, coconut derivatives
Thrive Causemetics
Overnight Sensation Gentle Retexturizing Solution
Exfoliant · Lists exfoliating acid, salicylic acid, coconut derivatives
Thrive Causemetics
Overnight Sensation Hydrating Sleep Mask
Mask · Lists fragrance allergens, exfoliating acid, essential oils, silicones
Not Your Mother’s
Overnight Serum
Hair styling · Lists fragrance, fragrance allergens, drying alcohol, exfoliating acid, essential oils
Dr. Dennis Gross
Overnight Wrinkle Serum Treatment
Serum · Lists exfoliating acid, retinoid
Medik8
Oxy-R Peptides
Serum · Lists exfoliating acid
Dove
Oxygen Moisture Conditioner
Conditioner · Lists fragrance, exfoliating acid, silicones
Tree Hut
Palm Grove Shea Sugar Scrub
Exfoliant · Lists fragrance, fragrance allergens, exfoliating acid, retinoid, essential oils
palmers hemp oil relief body lotion
Lists fragrance, fragrance allergens, exfoliating acid, silicones
Palmolive
Palmolive Hygiene-Plus Kitchen Antibacteriële Handzeep
Lists fragrance, exfoliating acid, sulfates, chemical UV filters, coconut derivatives
palmolive
Palmolive Hygiene-Plus Sensitive Handzeep
Lists fragrance, fragrance allergens, exfoliating acid, sulfates, coconut derivatives
Naturopathica
Pear & Fig Polishing Enzyme Peel
Exfoliant · Lists fragrance allergens, drying alcohol, exfoliating acid, essential oils
Pixi
Peel & Polish
Exfoliant · Lists exfoliating acid, coconut derivatives
Eden BodyWorks
Peppermint Tea Tree Detangling Conditioner
Conditioner · Lists exfoliating acid, essential oils
Facetheory
Peptide Firming Eye Cream
Eye cream · Lists exfoliating acid, coconut derivatives
Rhode
Peptide Lip Boost - Sugarmint
Lip · Lists fragrance, fragrance allergens, exfoliating acid, essential oils, coconut derivatives
Rhode
Peptide Lip Boost - Unscented
Lip · Lists exfoliating acid, coconut derivatives
Rhode
Peptide Lip Shape
Lip · Lists exfoliating acid
Rhode
Peptide Lip Tint
Lip · Lists exfoliating acid
Rhode
Peptide Lip Treatment - Rhode Vanilla
Lip · Lists fragrance, exfoliating acid
Rhode
Peptide Lip Treatment - Salted Caramel
Lip · Lists fragrance, exfoliating acid
Rhode
Peptide Lip Treatment - Strawberry Glaze
Lip · Lists fragrance, exfoliating acid
Rhode
Peptide Lip Treatment - Unscented
Lip · Lists exfoliating acid
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