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 21, 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
L’oreal
elvive shampoo
Lists fragrance, fragrance allergens, exfoliating acid, sulfates, silicones, salicylic acid, coconut derivatives
Herbivore
EMERALD Adaptogen Cleansing Milk Body Wash
Body wash · Lists fragrance, fragrance allergens, drying alcohol, coconut derivatives
Lubriderm
English
Lists silicones
Jergens
Enriching Shea Butter Lotion
Body lotion · Lists fragrance, fragrance allergens, silicones
Yves Rocher
Ensoleillant hydratant hâle progressif visage
Lists fragrance, fragrance allergens, retinoid, parabens, silicones, coconut derivatives
EOS Shea Better hand cream
Lists fragrance, fragrance allergens, silicones
Equate Clear Liquid Hand Soap
Lists fragrance, fragrance allergens, sulfates, coconut derivatives
Kate Somerville
EradiKate Daily Foaming Cleanser
Cleanser · Lists fragrance, fragrance allergens, coconut derivatives
Henkel
Essence Ultîme Citrus Oil Luminous Blond Shampooing illuminant
Lists fragrance, fragrance allergens, sulfates, chemical UV filters, coconut derivatives
Curlsmith
Essential Moisture Conditioner
Conditioner · Lists fragrance, fragrance allergens, drying alcohol, essential oils, coconut derivatives
R+Co
ESSENTIAL SHAMPOO
Shampoo · Lists fragrance, fragrance allergens, coconut derivatives
Nivea
Essentially Enriched Body Cream
Body lotion · Lists fragrance, sulfates, parabens, silicones
Clinique
Even Better All-Over Concealer + Eraser
Concealer · Lists exfoliating acid, silicones, salicylic acid
Clinique
Even Better Clinical Serum Foundation Broad Spectrum SPF 25
Foundation · Lists drying alcohol, exfoliating acid, silicones, salicylic acid
L’Oréal Paris
EverPure Sulfate Free Moisture 21-in-1 Leave-In Conditioner for Dry Hair
Conditioner · Lists fragrance, fragrance allergens, drying alcohol, silicones, chemical UV filters, coconut derivatives
Oars + Alps
Everyday Sunscreen Lotion with SPF 35
Sunscreen · Lists chemical UV filters
Shea moisture
Evolution of smooth shea better 24H moisture body lotion
Lists fragrance, silicones
Pestle & Mortar
Exfoliate
Exfoliant · Lists exfoliating acid
Thayers
Exfoliating 2% AHA Facial Pads with Witch Hazel
Toner · Lists fragrance, fragrance allergens, essential oils
Baxter of California
EXFOLIATING BODY WASH
Body wash · Lists fragrance, fragrance allergens, coconut derivatives
Kate Somerville
ExfoliKate Facial Cleanser
Cleanser · Lists fragrance allergens, exfoliating acid, essential oils, silicones, coconut derivatives
Nivea
Express Body Lotion
Lists fragrance, fragrance allergens, drying alcohol, sulfates, silicones
Nivea
Express Body Lotion 48h
Lists fragrance, fragrance allergens, drying alcohol, sulfates, silicones
Nivea
Express Hydration body lotion
Lists fragrance, fragrance allergens, drying alcohol, sulfates, silicones
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