Sodium Hydroxide

Sodium Hydroxide is a buffering and denaturant ingredient. It’s in 2,058 products on Poliage, most often body lotion, moisturizer and body wash. Avoid lists on Poliage that include it: none.

Updated October 22, 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

UNILEVER
Unilever
Dove Shampoing Réparation Intense 50ml
Lists fragrance, fragrance allergens, exfoliating acid, sulfates, silicones, coconut derivatives
UNILEVER
Unilever
Dove Surgras Gel Douche Mousse Infusée à l’Huile d’Açaï 24H de Douceur
Lists fragrance, fragrance allergens, coconut derivatives
UNILEVER
unilever
Dove Surgras Gel Douche Mousse Nourissante Infusée Huile de Coco 200ml
Lists fragrance, fragrance allergens, coconut derivatives
UNILEVER
Unilever
Dove Surgras Gel Douche Mousse Nourrissante Huile de Rose 24h
Lists fragrance, fragrance allergens, coconut derivatives
dr teal’s
Lists fragrance, fragrance allergens, sulfates, silicones, coconut derivatives
dr teals body wash
Lists fragrance, fragrance allergens, sulfates, silicones
Dr Teals Foaming Bath with Pink Himalayan Salt
Lists fragrance, sulfates, silicones, coconut derivatives
DR TEALS
Dr Teals
Dr teals hemp body lotion
Lists silicones
L’ORÉAL
L’Oréal
Dream BB PURE FPS 15
Lists drying alcohol, exfoliating acid, silicones, salicylic acid
L’ORÉAL
L’Oréal
Dream Long Liss Shampoo Super Liss
Lists fragrance, fragrance allergens, exfoliating acid, sulfates, salicylic acid, coconut derivatives
L’ORÉAL
L’Oréal
Dream long super aufbau shampoo
Lists fragrance, fragrance allergens, exfoliating acid, sulfates, silicones, salicylic acid, coconut derivatives
MAYBELLINE FOUNDATION
Maybelline
Dream Pure BB Cream
Foundation · Lists drying alcohol, exfoliating acid, silicones, salicylic acid
AXE
Axe
Dual 2 in 1 Shampoo + Conditioner
Lists fragrance, fragrance allergens, sulfates, silicones, formaldehyde releasers, coconut derivatives
Dual Action Moisturizer
Lists fragrance, silicones
BALEA
Balea
Dusche & Ölperlen
Lists fragrance, fragrance allergens, drying alcohol, sulfates, coconut derivatives
BALEA
balea
Dusche Schönheitsgeheimnisse Aloe Vera
Lists fragrance, fragrance allergens, sulfates, coconut derivatives
ELEMIS EXFOLIANT
Elemis
Dynamic Resurfacing Facial Pads
Exfoliant · Lists fragrance, exfoliating acid
ELEMIS
ELEMIS
Dynamic Resurfacing Facial Wash
Lists fragrance, coconut derivatives
DERMALOGICA SERUM
Dermalogica
Dynamic Skin Retinol Serum
Serum · Lists fragrance allergens, retinoid, essential oils
DERMALOGICA SERUM
Dermalogica
Dynamic Skin Strengthening Serum
Serum · Lists essential oils, coconut derivatives
e-raorganics elixir
None of Poliage’s flag groups listed
DRUNK ELEPHANT CLEANSER
Drunk Elephant
E-Rase Milki Micellar Water
Cleanser · None of Poliage’s flag groups listed
UNILEVER
Unilever
Eau démêlante Légèreté Brillance
Lists fragrance, fragrance allergens, formaldehyde releasers
AUCHAN
Auchan
Eau micellaire fraîcheur
Lists fragrance

Related guides