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
Tresemme
Champú cuidado clásico
Lists fragrance allergens, sulfates
Deliplus
Champú Dermo Sensitive
Lists fragrance
Herbal Essences
Champú purificante fresa blanca y menta dulce
Lists fragrance, fragrance allergens, drying alcohol, essential oils, sulfates, coconut derivatives
Pantene
Champú Purificante Nutri Pro-V
Lists fragrance, fragrance allergens, sulfates, salicylic acid, coconut derivatives
Cien
Champú reparación intensa
Lists fragrance, fragrance allergens, sulfates, silicones, coconut derivatives
davines
Champú Well-being
Lists fragrance, fragrance allergens, coconut derivatives
Charlotte Tilbury magic eye
Lists retinoid, coconut derivatives
Nivea
Cherry Blossom and Jojoba Oil Infused Lotion
Body lotion · Lists fragrance, drying alcohol, sulfates, silicones
cherry blossom lotion
Lists fragrance, drying alcohol, sulfates, silicones
Fenty Skin
Cherry Dub BHA Toner with Salicylic Acid + Aloe Juice
Toner · Lists fragrance, exfoliating acid, salicylic acid
Fenty Skin
Cherry Dub Blah 2 Bright 5% AHA Face Mask
Mask · Lists fragrance, exfoliating acid, salicylic acid
La Roche-Posay
Ciclaplast Gel Lavant B5
Lists sulfates, coconut derivatives
Tree Hut
Cinnamon Dolce Hydraglow Body Lotion
Body lotion · Lists fragrance, fragrance allergens, drying alcohol, silicones
Dermalogica
Circular Hydration Serum
Serum · Lists fragrance allergens, exfoliating acid, essential oils
Suave
Citrus Blossom Exfoliating Body Wash & Scrub
Body wash · Lists fragrance, fragrance allergens, coconut derivatives
head & shoulders
CITRUS FRESH
Lists fragrance, fragrance allergens, sulfates, silicones, coconut derivatives
clairol
Lists fragrance, fragrance allergens, exfoliating acid, sulfates, silicones, salicylic acid
Kenra Professional
Clarify Shampoo
Shampoo · Lists fragrance, fragrance allergens, sulfates, coconut derivatives
Murad
Clarifying Cream Cleanser
Cleanser · Lists fragrance, exfoliating acid, essential oils, salicylic acid, coconut derivatives
Clinique
Clarifying Do-Over Peel
Exfoliant · Lists drying alcohol, exfoliating acid, salicylic acid
Murad
Clarifying Toner for Acne–Prone Skin
Toner · Lists fragrance, fragrance allergens, drying alcohol, silicones
Tula
Clarifying Tonic
Toner · Lists exfoliating acid
pixi
Clarity Tonic
Lists exfoliating acid, salicylic acid
Head & Shoulders
Classic
Lists fragrance, fragrance allergens, sulfates, silicones, coconut derivatives
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