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
Eucerin
Sensitive Protect Body Spray
200 ml · Label from Sweden · Lists drying alcohol, chemical UV filters
Cien
sensitive SOLLOTION
Label from Denmark · Lists sulfates, chemical UV filters
Nivea
Sensitive Soothing Post Shave Balm
3.3 fl oz (100 mL) · Lists fragrance
Sensodyne
Sensodyne Fresh Mint Tandpasta
75ml · Label from Netherlands · Lists fragrance, fragrance allergens, coconut derivatives
Sensodyne
Sensodyne Fresh Mint Toothpaste for Sensitive Teeth
75 g · Lists fragrance, sulfates, coconut derivatives
Sensodyne
Sensodyne gentle whitening
75ml · Label from Sweden · Lists fragrance, coconut derivatives
Sensodyne
sensodyne proenamel intensive enamel repair
Lists fragrance, coconut derivatives
Sensodyne
Sensodyne pronamel
Lists fragrance, coconut derivatives
Sensodyne
Sensodyne Pronamel Gentle Whitening
Lists fragrance, coconut derivatives
Sensodyne
sensodyne pronamel new formula
Label from United Kingdom · Lists fragrance, fragrance allergens, coconut derivatives
Haleon norway as
Sensodyne Tannkrem Clean&Fresh 75ml
75 ml · Label from Norway · Lists fragrance, fragrance allergens, sulfates, coconut derivatives
GLAXOSMITHKLINE CONSUMER HEALTHCARE
Sensodyne Tannkrem Karies Kontroll 75ml
Label from Norway · Lists fragrance, sulfates
Sensodyne
sensodyne Zahnpasta sanftweiß
1pcs · Label from Germany · Ingredients incomplete, can’t check
Nivea
Sensual Pflegelotion Kirsch Blüte
200 ml · Label from Germany · Lists fragrance, fragrance allergens, drying alcohol, sulfates, silicones
Deliplus
Sérum facial reparador Micro Cápsulas
Label from Spain · Lists fragrance
Head & Shoulders
shampoing 2en1
255ml · Label from France · Ingredients incomplete, can’t check
Head & Shoulders
Shampoing 2en1 citrus fresh
Label from France · Ingredients incomplete, can’t check
Cosmia
Shampoing à huile d’argan
0.5 l · Label from France and World · Lists fragrance, fragrance allergens, exfoliating acid, sulfates, coconut derivatives
Cosmia
SHAMPOING DEMELANT ABRICOT et FLEUR DE PÊCHER
0.25 l · Label from France · Lists fragrance, sulfates, coconut derivatives
Cosmia
SHAMPOING DEMELANT CERISE et AMANDE DOUCE
0.25 l · Label from France and World · Lists fragrance, sulfates, coconut derivatives
Cosmia
Shampoing douche 3 en 1 homme sport
0.25 l · Label from France and World · Lists fragrance, sulfates, coconut derivatives
Yves Rocher
Shampoing Douche Douceur - Monoï
50 ml · Label from France · Lists fragrance, fragrance allergens, exfoliating acid, salicylic acid, coconut derivatives
Cosmia
Shampoing douche energy 3 in 1
0.25 l · Label from France · Lists fragrance, sulfates, coconut derivatives
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