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
Cetaphil
Gentle Exfoliating SA Cleanser
Cleanser · Lists exfoliating acid, salicylic acid, coconut derivatives
Cetaphil
Gentle Exfoliating SA Lotion
Moisturizer · Lists exfoliating acid, silicones, salicylic acid
Olay
Gentle Exfoliating Toner
Exfoliant · Lists salicylic acid
Vanicream
Gentle Facial Cleanser
Cleanser · Lists coconut derivatives
Skinfix
Gentle Gel Ceramide + Ectoin Cleanser
Cleanser · Lists exfoliating acid, coconut derivatives
Dr. Brandt
Gentle Microdermabrasion Face Exfoliator
Exfoliant · Lists fragrance allergens, exfoliating acid, essential oils
Equate
Gentle Skin Cleanser
Lists sulfates
equate
gentle skin cream (long lasting moisture)
Lists fragrance allergens, silicones
Nivea
Gesichtssonnencreme
Lists fragrance, fragrance allergens, drying alcohol, sulfates, chemical UV filters
L’Oréal
ginger scalp serum
Lists fragrance, fragrance allergens, exfoliating acid
Origins
Ginzing Refreshing eye cream
Lists silicones
alverde
Glitzer Handcreme
Lists fragrance, fragrance allergens, drying alcohol
Unilever
Glow
Lists fragrance, fragrance allergens, formaldehyde releasers, coconut derivatives
Maelove
Glow Maker Vitamin C Serum
Serum · Lists exfoliating acid
Pixi
Glow Tonic
Toner · Lists fragrance, exfoliating acid
L’Oréal Paris
Glycolic + Gloss Shine Boosting Conditioner
Conditioner · Lists fragrance, fragrance allergens, drying alcohol, exfoliating acid, sulfates, silicones
Naturium
Glycolic Acid Resurfacing Gel 10%
Exfoliant · Lists exfoliating acid
The INKEY List
Glycolic Acid Toner
Toner · Lists drying alcohol, exfoliating acid
Skinfix
Glycolic Renewing Scrub
Exfoliant · Lists exfoliating acid, coconut derivatives
Kate Somerville
Goat Milk Moisturizing Cleanser
Cleanser · Lists fragrance, fragrance allergens, coconut derivatives
Tree Hut
Golden Vanilla Foaming Gel Wash
Body wash · Lists fragrance, essential oils, coconut derivatives
Tree Hut
Golden Vanilla Whipped Shea Body Butter
Body lotion · Lists fragrance, fragrance allergens, essential oils, silicones
L’Oréal
Gommage beauté absolue
Lists fragrance, fragrance allergens, exfoliating acid, sulfates, salicylic acid, coconut derivatives
Auchan
Gommage corps à l’huile de fruit de la passion
Lists fragrance, sulfates
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