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 21, 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
l-oreal
Garnier SkinActive Pure Charcoal Tissuemasker
Lists fragrance, drying alcohol, salicylic acid
Garnier whole blend
Lists fragrance, fragrance allergens, silicones
Cosmia
Gel lavant mains
Lists fragrance, fragrance allergens, coconut derivatives
l-oreal
Gel nettoyant au charbon multi-purifiant Pure Power 5 en 1
Lists fragrance, fragrance allergens, exfoliating acid, salicylic acid
R+Co
GEMSTONE Color Shampoo
Shampoo · Lists fragrance, fragrance allergens, coconut derivatives
Skyn Iceland
Glacial Face Wash
Lists fragrance, fragrance allergens, drying alcohol, retinoid, chemical UV filters, coconut derivatives
Gold Bond Diabetics’ Dry Skin Relief Foot Cream
Lists parabens, silicones, formaldehyde releasers
gold bond ultimate
Lists parabens, silicones
gold bond
gold bond ultimate eczema relief
Lists parabens, silicones
Herbal Essences
Hair Moisturizing Maximum Hold Hairspray
Hair styling · Lists fragrance, fragrance allergens, silicones
Too Faced
Hangover Wash The Day Away Gentle Foaming Cleanser
Lists fragrance, coconut derivatives
Hanskin
Hanskin Cleansing Foam & Blackhead 120ml
Lists exfoliating acid, salicylic acid, coconut derivatives
Gold Bond
HEALING FOOT CREAM
Body lotion · Lists fragrance, exfoliating acid, silicones
Gold Bond
Healing Hand Cream
Body lotion · Lists fragrance, silicones
Gold Bond
Healing Overnight Body & Face Lotion
Body lotion · Lists fragrance, exfoliating acid, silicones, coconut derivatives
Gold Bond
Healing Sensitive Daily Body & Face Lotion
Body lotion · Lists silicones
Avon
Himalaya pink salt scrub
Lists fragrance, drying alcohol, sulfates
Zum
Holiday Almond Zum Body Soap
Body wash · Lists fragrance, coconut derivatives
Garnier
Honey Treasures Repairing Conditioner
Conditioner · Lists fragrance, fragrance allergens, drying alcohol, silicones
L’Oréal Paris
Hydra Energetic Extreme Cleanser Infused With Charcoal
Cleanser · Lists fragrance, fragrance allergens, exfoliating acid, salicylic acid
L’Oréal
Hydra Energetic Gel purifiant charbon magnétique
Lists fragrance, fragrance allergens, exfoliating acid, salicylic acid
Thayers
Hydrating Lavender Facial Toner with Aloe Vera
Toner · Lists fragrance
Thayers
Hydrating Milky Toner with Snow Mushroom
Toner · Lists coconut derivatives
COSRX
Hydrium Triple Hyaluronic Moisturizing Cleanser
Lists fragrance, coconut derivatives
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