Sodium Hydroxide
Sodium Hydroxide is a buffering and denaturant ingredient. It’s in 2,157 products on Poliage, most often body lotion, moisturizer and body wash. Avoid lists on Poliage that include it: none.
Updated October 26, 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
Hask Tea Tree
Tea Tree Shampoo
Ingredients incomplete, can’t check
Paul Mitchell
Tea Tree Special Shampoo
Shampoo · 16.9 fl. oz. · Lists fragrance, fragrance allergens, essential oils, sulfates, coconut derivatives
Adidas
Team Five Body Hair Face 3 Menthol Energising
250 ml · Label from France · Lists fragrance, fragrance allergens, sulfates, coconut derivatives
Null
Teufelssalbe
100ml · Label from Deutschland · Ingredients incomplete, can’t check
Harry’s
Texturizing Putty
Hair styling · 2.5oz · Lists fragrance, fragrance allergens
L’Oréal
The body shop crème exfoliante corps pêche de vigne
250 ml · Label from France · Lists fragrance, fragrance allergens, coconut derivatives
The Body Shop
The Body Shop Mac’s Root & Aloe softening shaving cream
Lists fragrance, coconut derivatives
Naturium
The Booster Hyaluronic Acid Body Wash
Body wash · 16.9 OZ · Lists coconut derivatives
Naturium
The Brightener Vitamin C Brightening Body Wash
Body wash · 16.9 OZ · Lists coconut derivatives
Naturium
The Calmer Ceramide Body Wash
Body wash · 16.9 OZ · Lists exfoliating acid, coconut derivatives
Victoria Beckham Beauty
The Concealer Pen with TFC8®
Concealer · 2.4 mL / 0.08 fl oz · Lists fragrance allergens, coconut derivatives
Tula
The Cult Classic Luminous Brightening Cleanser
Cleanser · Ingredients incomplete, can’t check
Victoria Beckham Beauty
The Foundation Drops with TFC8
Foundation · Lists coconut derivatives
Naturium
The Glow Getter Multi-Oil Body Butter
Body lotion · 7.7 FL OZ · Lists fragrance, fragrance allergens, coconut derivatives
Naturium
The Glow Getter Multi-Oil Hydrating Body Wash
Body wash · 16.9 OZ / 500 ML · Lists coconut derivatives
Crown Affair
The Hydrating Shampoo
Shampoo · 8 fl oz · Lists fragrance, fragrance allergens, essential oils, coconut derivatives
The INKEY List
the inkey list vitamin b, c, & e moisturizer
Lists fragrance allergens, coconut derivatives
Philosophy
The Microdelivery Exfoliating Facial Wash
Lists fragrance allergens, coconut derivatives
Tatcha
The Milky Sunscreen SPF 50
Sunscreen · 50 ml · Lists fragrance, chemical UV filters
Lawless
The One and Done Long-Wear Volumizing Mascara
Mascara · None of Poliage’s flag groups listed
Naturium
The Perfector Salicylic Acid Body Wash
Body wash · 16.9 OZ · Lists exfoliating acid, salicylic acid, coconut derivatives
Naturium
The Purifier Niacinamide Serum Body Wash
Body wash · 16.9 OZ · Lists coconut derivatives
Versed
The Purist Daily Gel Cleanser
Cleanser · Lists coconut derivatives
Maelove
The Refresher AHA Clarifying Cleanser
Cleanser · Lists exfoliating acid, essential oils, coconut derivatives
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