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
Cetaphil
Skin Activator Hydrating & Firming Cream for Neck, Chest & Face
Moisturizer · Lists exfoliating acid, silicones
Cetaphil
Skin Activator Hydrating & Firming Lotion
Body lotion · Lists exfoliating acid, silicones
Neutrogena
Skin Balancing Clay Cleanser
Lists fragrance, exfoliating acid, coconut derivatives
Neutrogena
Skin Balancing Gel Cleanser
Lists fragrance, exfoliating acid, coconut derivatives
Neutrogena
Skin Balancing Milky Cleanser
Lists fragrance, exfoliating acid
Caudalie
Skin Barrier Rich Moisturizer with Ceramides
Moisturizer · Lists fragrance, fragrance allergens
Black Opal
Skin Brightening Treatment - Brightening Face Scrub
Exfoliant · Lists fragrance
Rose Inc
Skin Enhance Luminous Tinted Serum
Foundation · 30 ml / 1 fl oz · Lists fragrance allergens, silicones
Nivea
Skin Firming Antiwrinkle Neck & Chest Cream
Moisturizer · 6.7 g · Lists coconut derivatives
Nivea
Skin Firming Melanin Beauty & Hydration
Body lotion · 16.9 mL · Lists silicones
Nivea
Skin Firming Nourishing Hydration Body Lotion
Body lotion · 16.9 mL · Lists fragrance, fragrance allergens, silicones
Nivea
Skin Firming Sheer Hydration Body Lotion
Body lotion · 16.9 fl oz · Lists fragrance, drying alcohol, sulfates, silicones
Cien
Skin foodies, crema facial nutritiva
Label from Spain · Lists fragrance, coconut derivatives
Cien
Skin foodies, loción hidratante
200ml · Label from Spain · Ingredients incomplete, can’t check
Cien
Skin Foodies. Refreshing Body Scrub. CIEN
Label from Spain · Ingredients incomplete, can’t check
Renee Rouleau
Skin Recovery Balm
Moisturizer · Lists silicones
Versed
Skin Refine Gentle Pore-Clearing Serum
Serum · Lists exfoliating acid, salicylic acid
CeraVe
Skin Renewing Night Cream
Moisturizer · Lists silicones
CeraVe
Skin Renewing Nightly Exfoliating Treatment
Serum · Lists exfoliating acid, silicones
CeraVe
Skin Renewing Vitamin C Eye Cream
Eye cream · 1 fl oz · Lists silicones
CeraVe
Skin Renewing Vitamin C Serum
Serum · Lists drying alcohol, silicones
Dermalogica
Skin Resurfacing Cleanser
Cleanser · Lists fragrance allergens, exfoliating acid, essential oils, coconut derivatives
Dermalogica
Skin Smoothing Cream
Moisturizer · Lists fragrance allergens, essential oils, silicones
Nivea
Skin Toning & Firming Body Gel-Cream
Body lotion · 189 oz · Lists fragrance, drying alcohol, silicones
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