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

NEUTROGENA
Neutrogena
Deep Moisture - Sofort einziehende Feuchtigkeitscreme
Lists silicones
NEUTROGENA
Neutrogena
Deep Moisture Body Lotion
None of Poliage’s flag groups listed
UNILEVER
Unilever
Deep Moisture Body Wash
Lists fragrance, fragrance allergens, coconut derivatives
JERGENS BODY LOTION
Jergens
Deep Restoring Argan Oil Moisturizer
Body lotion · Lists fragrance, drying alcohol, parabens, silicones
AXE
Axe
Deep Space Chill Out gel douche
Lists fragrance, fragrance allergens, sulfates, formaldehyde releasers, coconut derivatives
OGX
OGX
Deeply Restoring Pracaxi Recovery Oil Conditioner
Lists fragrance, drying alcohol, silicones
COLGATE
Colgate
Defi zero carie
Lists fragrance, fragrance allergens, sulfates
COLGATE
Colgate
Défi Zéro Carie Blancheur avec neutraliseur d’acides de sucre
Lists fragrance, fragrance allergens, sulfates
THRIVE CAUSEMETICS MOISTURIZER
Thrive Causemetics
Defying Gravity Eye Lifting Cream
Moisturizer · None of Poliage’s flag groups listed
THRIVE CAUSEMETICS BODY LOTION
Thrive Causemetics
Defying Gravity Nourishing Hand + Body Cream
Body lotion · Lists fragrance allergens, essential oils, silicones
THRIVE CAUSEMETICS BODY LOTION
Thrive Causemetics
Defying Gravity️ Nourishing Hand Cream
Body lotion · Lists fragrance allergens, essential oils, silicones
DELIPLUS
deliplus
Deliplus Hidratante Corporal Atopicas
Lists fragrance, fragrance allergens, silicones
THRIVE CAUSEMETICS CLEANSER
Thrive Causemetics
Deluxe Bright Balance Hydrating Gel Cleanser
Cleanser · Lists fragrance allergens, essential oils, coconut derivatives
KENRA PROFESSIONAL CONDITIONER
Kenra Professional
Deluxe Defense Conditioner
Conditioner · Lists fragrance, fragrance allergens, drying alcohol, essential oils, silicones
KENRA PROFESSIONAL SHAMPOO
Kenra Professional
Deluxe Defense Shampoo
Shampoo · Lists fragrance, fragrance allergens, exfoliating acid, essential oils, silicones, coconut derivatives
COSMIA
Cosmia
Démaquillant yeux
None of Poliage’s flag groups listed
COSMIA
Cosmia
Démaquillant yeux waterproof
None of Poliage’s flag groups listed
SENSODYNE
Sensodyne
Dentifrice cure sensibilité, Soulage et protège les dents sensibles
Lists fragrance
SENSODYNE
Sensodyne
Dentifrice désensibilisant
Lists fragrance, fragrance allergens, sulfates
SENSODYNE
Sensodyne
Dentifrice Soin Complet Triple Action
Lists fragrance, fragrance allergens, coconut derivatives
AQUAFRESH
Aquafresh
Dentifrice triple protection blancheur
Lists fragrance, fragrance allergens, sulfates, coconut derivatives
OMBIA
Ombia
deodorant
Lists fragrance
VANICREAM DEODORANT
Vanicream
Deodorant
Deodorant · None of Poliage’s flag groups listed
COSMIA
Cosmia
Déodorant Energy 24h
Lists fragrance, drying alcohol

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