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
Redken
03 Water Wax
Lists fragrance, fragrance allergens, parabens
Dr. Bronner’s
18-in-1 Citrus Pure-Castile Soap
Lists fragrance allergens
Dr. Dennis Gross
2% BHA+ Breakout Solution
Exfoliant · Lists fragrance allergens, drying alcohol, exfoliating acid
CeraVe
Acne Foaming Cream Cleanser
Cleanser · Lists exfoliating acid, coconut derivatives
CeraVe
Acne Foaming Cream Wash
Cleanser · Lists exfoliating acid, coconut derivatives
Renee Rouleau
Advanced Resurfacing Serum
Serum · Lists retinoid, essential oils, silicones
Dentitex
Advanced Whitening Toothpaste
Lists fragrance, fragrance allergens, sulfates, coconut derivatives
Aussie
AEROSOL FREE INSTANT FREEZE HAIRSPRAY
Hair styling · Lists fragrance, drying alcohol, silicones
Gold Bond
Age Renew Antioxidant Defense Body & Face Lotion
Body lotion · Lists exfoliating acid, essential oils, silicones, coconut derivatives
Gold Bond
Age Renew Crepe Corrector Body Lotion
Body lotion · Lists parabens, silicones
Gold Bond
AGE RENEW CREPE CORRECTOR HAND CREAM
Body lotion · Lists parabens, silicones
Naturium
AHA Exfoliating Mask 10%
Mask · Lists exfoliating acid
Holika Holika
Aloe Facial Cleansing Foam
Lists fragrance, coconut derivatives
Zum
Amber Zum Body Soap
Body wash · Lists fragrance, coconut derivatives
Ouai
Anti-Dandruff Hair Shampoo
Shampoo · Lists fragrance, exfoliating acid, silicones, salicylic acid, coconut derivatives
Fekkai
Apple Cider Detox Shampoo
Shampoo · Lists fragrance, fragrance allergens, drying alcohol, exfoliating acid, essential oils, salicylic acid, coconut derivatives
Torriden
BALANCEFUL Cleansing Foam
Cleanser · Lists exfoliating acid, essential oils, salicylic acid, coconut derivatives
Ole Henriksen
Barrier Booster Orange Ferment Vitamin C Essence
Toner · Lists fragrance allergens, exfoliating acid, essential oils
Love Beauty and Planet
Beloved Green Clay & Eucalyptus Whipped Body Scrub
Lists fragrance, fragrance allergens, essential oils, coconut derivatives
Shiseido
Benefiance mousse nettoyante confort absolu
Lists fragrance, fragrance allergens, coconut derivatives
Stirling Soap Co.
Bergamot Lavender
None of Poliage’s flag groups listed
Dr. Dennis Gross
BioRejuvenation Serum Collagen Amino Acids + G.N.A.
Serum · Lists fragrance allergens, exfoliating acid, retinoid, silicones, coconut derivatives
Erborian
Black Cleansing Oil
Lists coconut derivatives
Garnier
Brightening serum
Lists fragrance, fragrance allergens, drying alcohol, exfoliating acid, salicylic acid
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