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
Cosmia
Gommage corps douceur aux grains de fruit de la passion
Lists fragrance, coconut derivatives
Cosmia
Gommage pieds
None of Poliage’s flag groups listed
Cien
Gommage Quotidien Aqua Rich
Lists fragrance, fragrance allergens, exfoliating acid, salicylic acid, coconut derivatives
Great Value
Great Value Steel Wool Soap Pads
Lists fragrance, coconut derivatives
Maybelline
Green Edition Mega Mousse Mascara Eye Makeup
Mascara · Lists drying alcohol, coconut derivatives
L’Oréal
Green Labs Pinea-C Brightening Gel Washable Cleanser
Lists fragrance, exfoliating acid, coconut derivatives
Vegamour
GRO AGELESS Anti-Gray Hair Serum
Hair styling · Lists fragrance, fragrance allergens, drying alcohol, essential oils
Vegamour
GRO Hair Serum
Hair styling · Lists fragrance, fragrance allergens, drying alcohol, exfoliating acid, essential oils
Vegamour
GRO Revitalizing Shampoo
Shampoo · Lists fragrance, fragrance allergens, essential oils, coconut derivatives
Garnier
Grow Strong 2 In 1 Shampoo & Conditioner
Shampoo · Lists fragrance, fragrance allergens, exfoliating acid, sulfates, silicones, salicylic acid, coconut derivatives
Garnier
Grow Strong Shampoo
Shampoo · Lists fragrance, fragrance allergens, exfoliating acid, sulfates, silicones, salicylic acid, coconut derivatives
Kopari
Guava Hydrating Body Wash
Body wash · Lists fragrance, fragrance allergens, coconut derivatives
Oral-B
Gumline Purify
Lists fragrance, sulfates
Tula
H₂Oasis
Mask · Lists exfoliating acid
Garnier
Hair Filler + Polypeptides Fullness Repair Shampoo
Shampoo · Lists fragrance, fragrance allergens, exfoliating acid, salicylic acid, coconut derivatives
Fructis
Hair Food Manteca de Cacao
Lists fragrance, fragrance allergens, exfoliating acid, sulfates, salicylic acid, coconut derivatives
e.l.f.
Halo Glow Skin Tint SPF 50
Foundation · Lists silicones
Tocca
Hand & Body Wash Cleopatra
Body wash · Lists fragrance, fragrance allergens, coconut derivatives
Tocca
Hand & Body Wash Florence
Body wash · Lists fragrance, fragrance allergens, coconut derivatives
Tocca
Hand & Body Wash Stella
Body wash · Lists fragrance, fragrance allergens, coconut derivatives
Balea
Hand & Nagel Balsam Kamille
Lists fragrance, fragrance allergens, sulfates
Neutrogena
Hand & Nagel Creme
Lists fragrance
Trader Joe’s
Hand and Body Cream
None of Poliage’s flag groups listed
ATTITUDE
Hand Cream
Lists fragrance
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