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
Rhode
Peptide Lip Treatment - Watermelon Slice
Lip · Lists fragrance, exfoliating acid
Dr. Dennis Gross
Perfectly Dosed Treatment (Extra Strength 0.5%)
Serum · Lists fragrance allergens, drying alcohol, exfoliating acid, retinoid
Dr. Dennis Gross
pH Balance Replenishing Cream
Moisturizer · Lists fragrance allergens, exfoliating acid, silicones, salicylic acid, coconut derivatives
BYOMA
Phyto-Mucin Glow Serum
Serum · Lists exfoliating acid
True Botanicals
Phyto-Retinol Anti-Aging Body Lotion
Body lotion · Lists fragrance, fragrance allergens, exfoliating acid, essential oils, coconut derivatives
Tree Hut
Pink Champagne Shea Sugar Scrub
Exfoliant · Lists fragrance, fragrance allergens, exfoliating acid, retinoid, essential oils
Dr. Dennis Gross
Plump + Repair Peptide Lip Treatment Tint
Lip · Lists exfoliating acid, coconut derivatives
Buxom
Plump Shot Peptide Plumping Cream Blush
Blush · Lists drying alcohol, exfoliating acid, silicones, coconut derivatives
Hanskin
Pore Cleansing Balm - AHA
Lists exfoliating acid
Caudalie
Pore Minimizing Instant Detox Mask - Travel Size
Mask · Lists fragrance allergens, drying alcohol, exfoliating acid, essential oils
Dermalogica
Porescreen SPF40
Sunscreen · Lists fragrance allergens, exfoliating acid, silicones
Thrive Causemetics
Pout Hero️ Exfoliating Lip Scrub
Lip · Lists exfoliating acid, silicones, coconut derivatives
Peach & Lily
Power Cocktail Lactic Acid Repair Serum for Face - Korean
Serum · Lists exfoliating acid
Unilever
Prep & Protect Leave-in Spray
Lists fragrance, fragrance allergens, exfoliating acid, silicones
L’Oréal
PRODIGY 6.0 LIN Blond foncé
Lists fragrance, fragrance allergens, drying alcohol, exfoliating acid, silicones
Unilever
Prostyletech Keratin Smooth Color Anti-Fade Conditioner
Lists fragrance, fragrance allergens, exfoliating acid, silicones
Tula
Protect + Plump
Moisturizer · Lists exfoliating acid
Drunk Elephant
Protini Powerpeptide Resurfacing Serum with Lactic Acid
Serum · Lists exfoliating acid, coconut derivatives
100% Pure
Pumpkin Enzyme Smoothing Scrub
Exfoliant · Lists fragrance, exfoliating acid
Naturopathica
Pumpkin Purifying Enzyme Peel
Exfoliant · Lists fragrance, fragrance allergens, drying alcohol, exfoliating acid, essential oils
Ofra
Pumpkin Spice Peel
Exfoliant · Lists fragrance, fragrance allergens, exfoliating acid, salicylic acid, coconut derivatives
Unilever
Pure Après-Shampooing
Lists fragrance, fragrance allergens, exfoliating acid, formaldehyde releasers
Yves Rocher
Pure light - Nude de teint hydratant
Lists fragrance, exfoliating acid
Boots
Q10 day cream
Lists fragrance, exfoliating acid, silicones, chemical UV filters
Related guides
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What DermNet NZ and the FDA say about retinoids, alpha hydroxy acids and salicylic acid: sun sensitivity, irritation, pregnancy and using them together.