Sodium Hydroxide
Sodium Hydroxide is a buffering and denaturant ingredient. It’s in 2,159 products on Poliage, most often body lotion, moisturizer and body wash. Avoid lists on Poliage that include it: none.
Updated October 25, 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
Colgate
Máxima Protección Anticaries
180 g · Label from Argentina, Bolivia and Brazil · Lists fragrance, fragrance allergens, sulfates
bareMinerals
MAXIMIST Phyto-Fiber Volumizing Mascara
Mascara · None of Poliage’s flag groups listed
Nivea
Maximum Hydration Deep Cleansing Face Scrub
Exfoliant · 4.4 g · Lists fragrance, drying alcohol, sulfates, parabens, chemical UV filters, coconut derivatives
Nivea
Maximum Hydration Nourishing Lotion
Body lotion · 16.9 fl oz · Lists fragrance, drying alcohol, sulfates, silicones
Ouai
Medium Hair Conditioner
Conditioner · 10 OZ · Lists fragrance, fragrance allergens, drying alcohol, silicones, coconut derivatives
Ouai
Medium Hair Shampoo
Shampoo · 10 OZ · Lists fragrance, fragrance allergens, silicones, coconut derivatives
Drunk Elephant
Mello Marula Cream Cleanser with 1.0% Colloidal Oatmeal
Cleanser · Lists coconut derivatives
Dr. Dennis Gross
Meltaway Cleanser
Cleanser · Lists exfoliating acid
Unilever
Men + Care Extra Fresh
250 ml · Label from France · Lists fragrance, fragrance allergens, sulfates, formaldehyde releasers, coconut derivatives
Deliplus
Men care regen skin, cream phytoproteoglycanos
50 ml · Label from Spain · Lists fragrance, fragrance allergens, chemical UV filters
Nivea
Men Creme
Moisturizer · 5.3 oz · Lists fragrance, parabens, silicones
L’Oréal
Men Expert Carbon Clean Duschgel 5in1
400ml · Label from Germany · Lists fragrance, fragrance allergens, sulfates, coconut derivatives
Lóreal Paris
Men Expert Cool Power
300ml · Label from Norway · Lists fragrance, fragrance allergens, exfoliating acid, sulfates, salicylic acid, coconut derivatives
L’Oréal
Men Expert Pure Power Gel Ultra-Purifiant Anti-Spots
150 ml · Label from France · Lists fragrance, fragrance allergens, exfoliating acid, sulfates, salicylic acid, coconut derivatives
Head & Shoulders
Men Male Care
280 ml · Label from France · Lists fragrance, fragrance allergens, sulfates, silicones, coconut derivatives
Deliplus
Men Shampoo Fortificante
400 ml · Label from Spain · Lists fragrance, fragrance allergens, sulfates, coconut derivatives
Head & Shoulders
Men Sport Fresh
280 ml · Label from France · Lists fragrance, fragrance allergens, sulfates, silicones, coconut derivatives
Head & Shoulders
Men ultra anti-chute
280 ml · Label from France · Lists fragrance, fragrance allergens, sulfates, silicones, coconut derivatives
Head & Shoulders
Men Ultra Idratante
250 ml · Label from Italy · Lists fragrance, fragrance allergens, sulfates, silicones, salicylic acid, coconut derivatives
head & shoulders
Men Ultra Invigorating Revigorant with Old Spice
330 ml · Label from Bulgaria · Ingredients incomplete, can’t check
Suave
Men’s Charcoal 3-in-1 Shampoo Conditioner & Body Wash
Body wash · 12.6 OZ · Lists fragrance, fragrance allergens, sulfates, silicones, coconut derivatives
Suave
Men’s Citrus Rush 3-in-1 Shampoo, Conditioner, & Body Wash
Body wash · 3oz · Lists fragrance, fragrance allergens, essential oils, sulfates, silicones, coconut derivatives
L’Oréal
Menthe poivrée lait apaisant pour les pieds
60 ml · Label from France · Lists fragrance allergens, drying alcohol, essential oils, silicones
Head & Shoulders
Menthol fresh
280 ml · Label from France · Lists fragrance, fragrance allergens, sulfates, silicones, coconut derivatives
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