Sodium Hydroxide
Sodium Hydroxide is a buffering and denaturant ingredient. It’s in 2,130 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
Philosophy
instant glow peeling mousse
Exfoliant · Lists fragrance, drying alcohol, coconut derivatives
Head & Shoulders
Instant Oil Control
255 ml · Label from France · Lists fragrance, fragrance allergens, sulfates, silicones, coconut derivatives
Cosmia
Instant voluptueux gel douche
0.25 l · Label from France · Lists fragrance, fragrance allergens, sulfates, coconut derivatives
Aquafresh
Intense Clean
75 ml · Label from France · Lists fragrance, fragrance allergens, sulfates, coconut derivatives
Nivea
Intense Healing Body Cream
Body lotion · 13.5 g · Lists sulfates, silicones
Nivea
Intense Healing Body Lotion
Body lotion · 16.9 fl oz · Lists fragrance, sulfates, silicones
head & shoulders
Intense hydration
280 ml · Label from France · Lists fragrance, fragrance allergens, sulfates, silicones, salicylic acid, coconut derivatives
Naturium
Intense Overnight Sleeping Cream
Moisturizer · 1.7 oz · None of Poliage’s flag groups listed
neutrogena
intense repair
250ml · Label from France · Lists fragrance, silicones
johnson-johnson
Intense Repair
250 ml · Label from Germany · Lists fragrance
Syoss
Intense Repair Tiefenspülung
250 ml · Label from Germany · Ingredients incomplete, can’t check
Olay
Intensely Hydrating Body Wash with Hyaluronic Serum Complex
Body wash · 28 oz · Lists fragrance, sulfates, coconut derivatives
Olay
Intensely Hydrating Body Wash with Hyaluronic Serum Complex, Court Queen Citrus Scent
Body wash · 20 fl oz · Lists fragrance, sulfates, coconut derivatives
Olay
Intensely Hydrating Body Wash with Hyaluronic Serum Complex, Victory Vibes Vanilla Scent
Body wash · 20 fl oz · Lists fragrance, sulfates, coconut derivatives
L’Oréal
Intensif 7 jours
250 ml · Label from France · Lists fragrance, fragrance allergens, parabens, silicones
L’Oréal
Intensif 7 jours Lait Hydratant Apaisant au L-Bifidus
250 ml · Label from France · Lists fragrance, fragrance allergens, parabens, silicones
Lacura
Intensive Hand Cream
75ml · Label from United Kingdom · Lists silicones
Dermalogica
Intensive Moisture Balance
Moisturizer · Lists exfoliating acid, silicones
Dermalogica
Intensive Moisture Cleanser
Cleanser · Lists fragrance allergens, essential oils, silicones, coconut derivatives
CeraVe
Intensive Moisturizing Lotion
Body lotion · Lists silicones
Wella Professionals
Invigo Nutri-Enrich Deep Nourishing Shampoo
Shampoo · Lists fragrance, fragrance allergens, exfoliating acid, sulfates, parabens, silicones, salicylic acid, coconut derivatives
Curlsmith
Invincible Volume Mousse
Hair styling · 6.8 oz · Lists fragrance, fragrance allergens, coconut derivatives
Dermalogica
Invisible Physical Defense SPF30
Sunscreen · Lists fragrance allergens, essential oils, silicones
COLGATE-PALMOLIVE
Irish spring
Body wash · Label from United Kingdom · Ingredients incomplete, can’t check
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