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
Garnier
Method for Curls Moisture Restoring Shampoo
Shampoo · Lists fragrance, fragrance allergens, exfoliating acid, salicylic acid, coconut derivatives
Kenra Professional
Micellar Cleansing Mist
Shampoo · 5.1 oz · Lists fragrance, fragrance allergens, drying alcohol, coconut derivatives
Garnier
Micellar Cleansing Water All-in-1 Purifying with Salicylic Acid
Cleanser · Lists drying alcohol, exfoliating acid, salicylic acid, coconut derivatives
Beekman 1802
Micellar Milk Froth Cleansing Gel & Makeup Remover
Cleanser · Lists coconut derivatives
Olay
Micro-Sculpting Cream Moisturizer Trial Size
Moisturizer · Lists fragrance, fragrance allergens, parabens, silicones
Head & Shoulders
Milde Pflege Bei Juckender Kopfhaut
300 ml · Label from France · Lists fragrance, fragrance allergens, essential oils, sulfates, silicones, coconut derivatives
Balea
Milde Seife Pflege & Hygiene
300 ml · Label from Austria · Lists fragrance, exfoliating acid, sulfates, coconut derivatives
The INKEY List
Milk Cleanser
Cleanser · 240ml · None of Poliage’s flag groups listed
Beekman 1802
Milk RX Advanced Better Aging Cream
Moisturizer · Lists essential oils, coconut derivatives
Beekman 1802
Milk RX Advanced Better Aging Wrinkle Serum
Serum · Lists coconut derivatives
Thayers
Milky Moisturizer with Hyaluronic Acid
Moisturizer · 2.5 oz · Lists drying alcohol, silicones
Physicians Formula
Mineral Wear Diamond Mascara
Mascara · Lists drying alcohol, silicones
Physicians Formula
Mineral Wear Diamond Perfector BB Cream
Foundation · Lists silicones, carmine (from insects)
Renee Rouleau
Mint Renewal Cleanser
Cleanser · Lists exfoliating acid, essential oils, coconut derivatives
Rael
Miracle Clear Clarifying Toner for Sensitive Skin
Toner · Lists fragrance allergens, essential oils
It’s a 10 Haircare
Miracle Leave-In
Conditioner · 10 oz · Lists fragrance, fragrance allergens, essential oils
l-oreal
Miracle Wake Up Crème Anti-Âge défatigant
50 ml · Label from France · Lists fragrance, fragrance allergens, drying alcohol, retinoid, silicones, salicylic acid
Mixa
Mixa bébé, Lait de toilette très doux, Maxi format
300 ml · Label from France and Morocco · Lists fragrance
Balea
Mizellen Waschgel & Augen Make-Up Entferner
150 ml · Label from Germany · Lists fragrance, fragrance allergens, coconut derivatives
Kenra Professional
Moisture Conditioner
Conditioner · 10.1 fl oz · Lists fragrance, fragrance allergens, drying alcohol, exfoliating acid, silicones, salicylic acid
Thrive Causemetics
Moisture Flash Conditioning Toner Mist
Toner · Lists exfoliating acid, salicylic acid, coconut derivatives
Renee Rouleau
Moisture Protecting Cleanser
Cleanser · Lists coconut derivatives
Suave
Moisture Repair Sulfate-Free Conditioner
Conditioner · 12.6oz · Lists fragrance, exfoliating acid, silicones
Suave
Moisture Repair Sulfate-Free Shampoo
Shampoo · 12.6oz · Lists fragrance, exfoliating acid, coconut derivatives
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