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 22, 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
Selsun Blue
Itchy Dry Scalp Antidandruff Shampoo
Shampoo · Lists fragrance, coconut derivatives
Lida
Jabón 100% natural de glicerina
Lists fragrance, formaldehyde releasers
Kora Organics
Kakadu Plum Vitamin C Eye Cream
Eye cream · Lists drying alcohol, coconut derivatives
Henkel
Kératine Color 4.6 Châtain Chocolat
Lists fragrance, fragrance allergens, parabens, salicylic acid
Henkel
Kit Racines Blond BR1
Lists fragrance, sulfates, coconut derivatives
Shiseido
Lait Réparateur Intensif Après Soleil
Lists fragrance, fragrance allergens, drying alcohol, parabens, silicones
Cien
Lait Solaire 50 FPS Haute protection
Lists fragrance, chemical UV filters
Laura Geller
Lasting Love Longwearing Lip Color
Lip · None of Poliage’s flag groups listed
Zum
Lavender Mint Zum Body Soap
Body wash · Lists fragrance, coconut derivatives
Zum
Lemongrass Zum Body Soap
Body wash · Lists fragrance, coconut derivatives
Herbal Essences
Lightweight Hair Volumizing Hairspray for Strong Hold
Hair styling · Lists fragrance, fragrance allergens, silicones
Herbal Essences
Lightweight Hair Volumizing Hairspray Twin Pack for Strong Hold
Hair styling · Lists fragrance, fragrance allergens, silicones
Alpha-H
Liquid Gold
Exfoliant · Lists drying alcohol, exfoliating acid
lume deodorant
Lists fragrance, exfoliating acid, silicones
Tatcha
Luminous Deep Hydration Firming Eye Serum
Eye cream · Lists drying alcohol, silicones
Dr. Bronner’s
Magic Soap Baby Unscented
None of Poliage’s flag groups listed
Garnier
masque skinactive
Lists fragrance, drying alcohol, salicylic acid
Colgate
Max white
Lists fragrance, fragrance allergens, sulfates, coconut derivatives
Colgate
Max White Charcoal
Lists fragrance, fragrance allergens, sulfates, coconut derivatives
Colgate
Max white dentifrice blancheur natural charbon
Lists fragrance, sulfates, coconut derivatives
Colgate
Max White Protect
Lists fragrance, sulfates, coconut derivatives
Gold Bond
Medicated Anti-Itch Lotion
Body lotion · Lists parabens, silicones, formaldehyde releasers
Gold Bond
Men’s Essentials Everyday Moisture Daily Body & Hand Cream/Lotion
Body lotion · Lists fragrance, parabens, silicones, formaldehyde releasers
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