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
L’Oréal
Stop Rides Soin Hydratant Anti-rides d’expression Boswelox
50 ml · Label from France · Lists fragrance, fragrance allergens, parabens, silicones, chemical UV filters, formaldehyde releasers
Glow Recipe
Strawberry BHA Pore-Smooth Blur Drops
Serum · 30 ml · Lists fragrance, exfoliating acid, salicylic acid, coconut derivatives
Suave
Strawberry Delight 48H Moisture Body Lotion
Body lotion · 18oz · Lists fragrance, silicones, coconut derivatives
Suave
Strawberry Delight Exfoliating Body Wash & Scrub
Body wash · 18oz · Ingredients incomplete, can’t check
Suave
Strawberry Delight Uplifting Body Wash
Body wash · 18oz · Lists fragrance, fragrance allergens, sulfates, coconut derivatives
Kristin Ess
Strengthening Shampoo
Shampoo · 10 FL OZ · Lists fragrance, silicones, coconut derivatives
Dermalogica
Stress Positive Eye Lift
Eye cream · Lists fragrance allergens, essential oils, silicones
Marc Anthony
Strictly Curls Curl Defining Lotion
Hair styling · 8.3 fl. oz. · Lists fragrance, fragrance allergens, drying alcohol, silicones
StriVectin
StriVectin Anti-Wrinkle Intensive Eye Cream
50 ml · Label from Brazil · Lists retinoid, silicones
MAC
Studio Radiance 24Hr Luminous Lift Concealer
Concealer · Lists exfoliating acid, silicones, salicylic acid
MAC
Studio Radiance 24HR Luminous Lift Concealer NC11
11ml · Label from Belgium · Lists exfoliating acid, silicones, salicylic acid
Tree Hut
Sugar Spirit Foaming Gel Wash
Body wash · Lists fragrance, fragrance allergens, essential oils, coconut derivatives
Dr Squatch
Summer Citrus
5 oz · Lists fragrance, fragrance allergens, essential oils, coconut derivatives
Nivea
Sun
250 ml · Label from Switzerland · Lists fragrance, fragrance allergens, drying alcohol, chemical UV filters
Nivea
Sun protect&bronze FPS 30
200ml · Label from France · Ingredients incomplete, can’t check
Nivea
Sun Schutz & Pflege LSF 30
250 ml · Label from Germany · Lists fragrance, fragrance allergens, drying alcohol, silicones, chemical UV filters
COOLA
Sun Silk Sunscreen Drops - SPF Drops
Sunscreen · Lists fragrance, chemical UV filters
Colorescience
Sunforgettable Total Protection Face Shield Classic SPF 50
Sunscreen · Lists silicones
Colorescience
Sunforgettable Total Protection Face Shield Flex SPF 50
Sunscreen · Lists silicones
Colorescience
Sunforgettable Total Protection Face Shield Glow SPF 50
Sunscreen · Lists silicones
Colorescience
Sunforgettable Total Protection Face Shield Matte SPF 50
Sunscreen · Ingredients incomplete, can’t check
Tree Hut
Sunlit Glow Brightening Whipped Shea Body Butter
Body lotion · Lists fragrance, fragrance allergens, silicones
Physicians Formula
Super BB
Foundation · Lists silicones
Olay
Super Serum Body Cream
Body lotion · Lists fragrance, exfoliating acid, silicones
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