Sodium Hydroxide
Sodium Hydroxide is a buffering and denaturant ingredient. It’s in 2,160 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
Oral-B
pro repair original
75ml · Label from France · Lists fragrance, sulfates, coconut derivatives
Oral-B
Pro Science - Dentifrice densité émail
75 ml · Label from France · Lists fragrance, sulfates, coconut derivatives
Elemis
Pro-Collagen Tri-Acid Peel
Exfoliant · Lists fragrance, drying alcohol, exfoliating acid
Sensodyne
Pro-Émail Blancheur Menthe Douce
75 ml · Label from France · Lists fragrance, fragrance allergens, coconut derivatives
Oral-B
Pro-Expert Aliento Fresco
75 ml ℮ · Label from Spain · Lists fragrance, fragrance allergens
Oral-B
Pro-Expert Fresh Breath
75 ml · Label from United Kingdom · Lists fragrance, fragrance allergens, sulfates
Pantene
Pro-V VitaGlow Repair & Care Shampoo
500 ml · Label from Germany · Lists fragrance, fragrance allergens, sulfates
Sensodyne
Pronamel Gentle Whitening Toothpaste
Lists fragrance, coconut derivatives
R+Co
PROPER MOLDING PASTE
Hair styling · 1.7 OZ · Lists fragrance, fragrance allergens
Nivea
Protect & Bronze 50
200ml · Label from France and Lebanon · Lists fragrance, fragrance allergens, drying alcohol, chemical UV filters
NIVEA MEN
Protect & Care Rasiercreme
100ml · Label from Germany · Lists fragrance, fragrance allergens, silicones, coconut derivatives
Nivea
Protect & Moisture solkrem, SPF30
100 ml · Label from Norway · Lists fragrance, fragrance allergens, drying alcohol, silicones, chemical UV filters
Nivea Sun
protect & moisture SPF 50+
200 ml · Label from Sweden · Lists fragrance, fragrance allergens, drying alcohol, chemical UV filters
Nivea
Protect & Moisture Spray, SPF15
200 ml · Label from Norway · Lists fragrance, fragrance allergens, drying alcohol, chemical UV filters
Nivea Sun
Protect & Moisture Travel Size, SPF50
100 ml · Label from Norway · Lists fragrance, fragrance allergens, drying alcohol, chemical UV filters
Nivea Sun
Protect & Moisture, SPF15
200 ml · Label from Norway · Ingredients incomplete, can’t check
Nivea Sun
Protect & Moisture, SPF20
200 ml · Label from Germany and Norway · Ingredients incomplete, can’t check
Nivea Sun
Protect & Moisture, SPF30
200 ml · Label from Norway · Lists fragrance, fragrance allergens, drying alcohol, sulfates, chemical UV filters
Aveeno
Protect + Hydrate Sunscreen Broad Spectrum Face Lotion SPF 60
Sunscreen · Lists drying alcohol, silicones, chemical UV filters
Tula
Protect + Plump
Moisturizer · Lists exfoliating acid
Dermalogica
Protection 50 Sport SPF50
Sunscreen · Lists fragrance allergens, silicones, chemical UV filters
Nivea sun
Protection Solaire Visage UV FPS30 Hydratante
50 ml · Label from France · Lists fragrance, fragrance allergens, drying alcohol, sulfates, chemical UV filters
nivea
protector solar
200 ml · Label from Mexico · Ingredients incomplete, can’t check
Neutrogena
Protetor Solar Facial Neutrogena Sun Fresh FPS30 40g
40 g · Label from Brazil · Lists fragrance, fragrance allergens, silicones, chemical UV filters
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