Potassium Hydroxide
Potassium Hydroxide is a buffering ingredient. It’s in 254 products on Poliage, most often body lotion, shampoo and cleanser. Avoid lists on Poliage that include it: none.
Updated October 23, 2026
In plain English
Potash lye. Used in small amounts to adjust pH or to turn fats into soap.
What it does
Contains Potassium Hydroxide: buffering
Function listed in CosIng
Source: CosIng, the European Commission cosmetic ingredient database, ref 36981, accessed October 22, 2026. Also listed as kalii hydroxidum.
Products that contain Potassium Hydroxide
La Roche-Posay
Effaclar Deep Cleaning Foaming Crem
Lists fragrance, exfoliating acid, salicylic acid, coconut derivatives
Skinfood
Egg White Perfect Pore Cleansing Foam
Lists fragrance, exfoliating acid, salicylic acid, coconut derivatives
Skinfood
Egg White Pore Foam
Lists fragrance, drying alcohol, silicones, coconut derivatives
Clinique
Even Better Clinical Vitamin Makeup Broad Spectrum SPF 45
Foundation · Lists silicones
Thayers
Exfoliating 2% AHA Toner with Witch Hazel
Toner · None of Poliage’s flag groups listed
Gold Bond
Extra Strength Medicated Body Lotion
Body lotion · Lists fragrance, silicones
Yves Rocher
Feuchtigkeitsspendende Handcreme Pur Arnica
Lists fragrance, fragrance allergens, sulfates, coconut derivatives
Dr. Dennis Gross
Fill + Repair Eye Cream with Hyaluronic Acid
Eye cream · Lists exfoliating acid
Dr. Dennis Gross
Fill + Repair Serum with Hyaluronic Acid
Serum · Lists exfoliating acid, silicones, coconut derivatives
Dr. Dennis Gross
Firm & Bright Eye Treatment
Eye cream · Lists exfoliating acid
Gold Bond
Firming Neck & Chest Age Renew Cream
Moisturizer · Lists exfoliating acid, parabens, silicones, salicylic acid
Curél
Foaming Facial Wash
Lists parabens, coconut derivatives
Zum
Frankincense & Myrrh Zum Body Soap
Body wash · Lists fragrance, coconut derivatives
Laura Geller
Free Spackle Illuminating Under Eye Primer
Lists fragrance allergens, drying alcohol
Moroccanoil
Frizz Control Conditioner
Conditioner · Lists fragrance, fragrance allergens, exfoliating acid, silicones, coconut derivatives
Moroccanoil
Frizz Control Shampoo
Shampoo · Lists fragrance, fragrance allergens, exfoliating acid, silicones, coconut derivatives
Moroccanoil
Frizz Shield Spray
Hair styling · Lists fragrance, fragrance allergens, exfoliating acid, silicones
Fekkai
Full Blown Volume Conditioner
Conditioner · Lists fragrance, fragrance allergens, drying alcohol, exfoliating acid, coconut derivatives
Fekkai
Full Blown Volume Shampoo
Shampoo · Lists fragrance, fragrance allergens, drying alcohol, exfoliating acid, coconut derivatives
KVD Beauty
Full Sleeve Long + Defined Tubing Mascara
Mascara · None of Poliage’s flag groups listed
Shiseido
Future Solution LX Sérum Intensif Contours Fermeté Shiseido
Lists fragrance, fragrance allergens, drying alcohol, silicones
garnier fructis sleek and shine
Lists fragrance, fragrance allergens, drying alcohol, silicones
L’Oréal
Garnier Skin Naturals Vitamin C Face Wash
Lists fragrance, fragrance allergens, exfoliating acid, salicylic acid
Garnier
Garnier SkinActive Hydra Bomb Tissuemasker
Lists fragrance, fragrance allergens, drying alcohol
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