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
cora
déodorant fraicheur
Lists fragrance, fragrance allergens, essential oils
Vichy
Déodorant Fraîcheur Extrême 24h
Lists fragrance, drying alcohol, exfoliating acid
Cosmia
Déodorant grenade
Lists fragrance, fragrance allergens, drying alcohol
Cosmia
Déodorant instant voluptueux
Lists fragrance, fragrance allergens, essential oils
Cosmia
Déodorant power 24h
Lists fragrance, drying alcohol
L’occitane
Déodorant stick
Lists fragrance, fragrance allergens, essential oils
Cosmia
Déodorant vanille
Lists fragrance, fragrance allergens
Secret
Deodorizing Body Wash for Women Light & Fresh
Body wash · Lists fragrance, exfoliating acid, sulfates, salicylic acid, coconut derivatives
Secret
Deodorizing Body Wash for Women Lilac & Waterlily
Body wash · Lists fragrance, exfoliating acid, sulfates, salicylic acid, coconut derivatives
Secret
Deodorizing Body Wash for Women Peach & Vanilla
Body wash · Lists fragrance, exfoliating acid, sulfates, salicylic acid, coconut derivatives
Vichy
DERCOS Technique - shampooing ultra apaisant cheveux secs ou colorés
Lists fragrance, exfoliating acid, silicones, salicylic acid, coconut derivatives
Vichy
DERCOS ULTRA APAISANT
Lists fragrance, drying alcohol, exfoliating acid, silicones, salicylic acid, coconut derivatives
Neutro Roberts
Dermazero
Lists fragrance
Neutro Roberts
DermaZero, pelli intolleranti
Lists fragrance
Eucerin
Dermo Capillaire
Lists fragrance, sulfates, salicylic acid, coconut derivatives
Cosmia
Dermo confort nutri creme de douche soin
Lists fragrance, fragrance allergens, sulfates, coconut derivatives
Dae
Desert Detox Clarifying Shampoo
Shampoo · Lists fragrance, fragrance allergens, essential oils, coconut derivatives
Ouai
Detox Clarifying Hair Shampoo
Shampoo · Lists fragrance, fragrance allergens, drying alcohol, chemical UV filters, coconut derivatives
Naturium
Dew-Glow Moisturizer SPF 50
Sunscreen · Lists silicones, chemical UV filters
Supergoop!
Dewscreen Hydrating Primer SPF 50
Sunscreen · Lists silicones, chemical UV filters
Ole Henriksen
Dewtopia 25% Acid Flash Facial Mask
Mask · Lists fragrance, fragrance allergens, exfoliating acid, salicylic acid
Unilever
Dfw deo stk 40ml orig tinker
Lists fragrance, fragrance allergens
CeraVe
Diabetics Dry Skin Relief Moisturizing Cream
Moisturizer · Lists silicones
Bliss
Disappearing Act Toner
Toner · None of Poliage’s flag groups listed
Related guides
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