Sodium Hydroxide
Sodium Hydroxide is a buffering and denaturant ingredient. It’s in 2,058 products on Poliage, most often body lotion, moisturizer and body wash. Avoid lists on Poliage that include it: none.
Updated October 22, 2026
In plain English
Lye. Used in small amounts to adjust pH, or to turn fats into soap.
What it does
Contains Sodium Hydroxide: buffering
Function listed in CosIng
Contains Sodium Hydroxide: denaturant
Function listed in CosIng
Source: CosIng, the European Commission cosmetic ingredient database, ref 37890, accessed October 22, 2026. Also listed as natrii hydroxidum.
Products that contain Sodium Hydroxide
Auchan
Gel Douche Peaux Sensibles Visage Corps Men
Lists fragrance, sulfates, coconut derivatives
Cosmia
Gel douche soin
Lists fragrance, fragrance allergens, sulfates, coconut derivatives
Henkel
Gel douche surgras
Lists fragrance, sulfates, coconut derivatives
Sensodyne
Gel Fraîcheur
Lists fragrance, fragrance allergens, coconut derivatives
Auchan
Gel lavant corps & cheveux Camomille
Lists fragrance, sulfates, coconut derivatives
Auchan
Gel lavant corps et cheveux aux extraits de calendula et de camomille
Lists fragrance, sulfates, coconut derivatives
Cosmia
Gel lavant mains
Lists fragrance, fragrance allergens, coconut derivatives
Cosmia
Gel lavant mains sans parfum
Lists sulfates, coconut derivatives
Nivea
Gel limpeza - rosto + barba
Lists fragrance, sulfates, chemical UV filters, coconut derivatives
Unilever
Gel micellar wash
Lists coconut derivatives
Caudalie
Gel Moisturizer with Hyaluronic Acid+Aloe Vera
Moisturizer · Lists fragrance, fragrance allergens
La Roche-Posay
gel nettoyant
Lists fragrance, sulfates, coconut derivatives
Biactol
Gel nettoyant action rapide
Lists fragrance, exfoliating acid, sulfates, salicylic acid, coconut derivatives
Cosmia
Gel nettoyant visage
Lists fragrance, fragrance allergens, sulfates, coconut derivatives
Deliplus
Gel-Champú de baño dermoprotector
Lists fragrance, sulfates, silicones, coconut derivatives
R+Co
GEMSTONE Color Conditioner
Conditioner · Lists fragrance, fragrance allergens, coconut derivatives
Algenist
GENIUS Liquid Collagen Essence
Toner · Lists fragrance, silicones, chemical UV filters, coconut derivatives
Algenist
GENIUS Ultimate Anti-Aging Eye Cream
Eye cream · Lists silicones
Biore
Gentle & Breathable Acne-Prone Cleanser
Cleanser · Lists exfoliating acid, coconut derivatives
Vanicream
Gentle Body Wash
Body wash · Lists coconut derivatives
Hero Cosmetics
Gentle Cleanser
Cleanser · Lists coconut derivatives
Revision Skincare
Gentle Cleansing Lotion
Cleanser · Lists silicones, coconut derivatives
Cetaphil
Gentle Clear Mattifying Acne Moisturizer
Moisturizer · Lists exfoliating acid, silicones, salicylic acid
Cetaphil
Gentle Clear Pore Clearing Acne Cleanser
Cleanser · Lists fragrance allergens, exfoliating acid, salicylic acid, coconut derivatives
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