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 23, 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
Murad
Acne Control Clarifying Cleanser
Cleanser · Lists fragrance, fragrance allergens, exfoliating acid, salicylic acid, coconut derivatives
CeraVe
Acne Control Cleanser
Cleanser · Lists exfoliating acid, salicylic acid, coconut derivatives
PanOxyl
Acne Creamy Wash Benzoyl Peroxide 4%
Cleanser · Lists silicones
CeraVe
Acne Foaming Cream Cleanser
Cleanser · Lists exfoliating acid, coconut derivatives
CeraVe
Acne Foaming Cream Wash
Cleanser · Lists exfoliating acid, coconut derivatives
PanOxyl
Acne Foaming Wash Benzoyl Peroxide 10%
Cleanser · Lists silicones
Thayers
Acne Pads with Salicylic Acid: 2% BHA Toner Pads
Toner · Lists fragrance allergens, exfoliating acid, essential oils, salicylic acid, coconut derivatives
Cetaphil
Acne Relief Body Wash
Body wash · Lists fragrance allergens, exfoliating acid, salicylic acid, coconut derivatives
Caudalie
Acne Serum to Treat and Prevent Blemishes
Serum · Lists fragrance allergens, drying alcohol, exfoliating acid, essential oils, salicylic acid
Differin
Acne-Clearing Body Wash
Body wash · Lists fragrance allergens, exfoliating acid, essential oils, salicylic acid, coconut derivatives
Fructis
Acondicionador Hair Food Aguacate
Lists fragrance, fragrance allergens, exfoliating acid, salicylic acid, coconut derivatives
Nivea
Active Clean Body Wash
Body wash · Lists fragrance, sulfates, parabens, coconut derivatives
Nivea
Active Energy Hydro Gesichtsgel
Lists fragrance, fragrance allergens, drying alcohol
Crest
Active Foam + Whitening Cool Peppermint Dentifrice with Fluoristat
Lists fragrance, sulfates
Dermalogica
Active Moist
Moisturizer · Lists fragrance allergens, silicones, coconut derivatives
Adidas
Active Start Body hair face revitalising
Lists fragrance, fragrance allergens, sulfates, coconut derivatives
Vintner’s Daughter
Active Treatment Essence
Toner · Lists exfoliating acid, coconut derivatives
Adidas
Adidas Ice Dive
Lists fragrance, fragrance allergens, sulfates, coconut derivatives
Acure
Advanced Barrier Support Moisturizer
Moisturizer · Lists drying alcohol
Medik8
Advanced Day Ultimate Protect
Sunscreen · Lists fragrance, fragrance allergens, chemical UV filters, coconut derivatives
Estée Lauder
Advanced Night Micro Cleansing Foam
Lists fragrance, fragrance allergens, coconut derivatives
Derma E
Advanced Peptides & Flora-Collagen Moisturizer
Moisturizer · Lists fragrance, silicones
Derma E
Advanced Peptides & Flora-Collagen Night Moisturizer
Moisturizer · Lists essential oils, silicones
Derma E
Advanced Peptides and Flora-Collagen Serum
Serum · Lists fragrance
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