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
hemp lotion
Lists fragrance, fragrance allergens, retinoid, silicones
Deliplus
Hidratante
Lists fragrance allergens
Le Labo
Hinoki SHOWER GEL
Body wash · Lists fragrance, fragrance allergens, coconut derivatives
Gisou
Honey Gloss Ceramide Therapy Hydrating Shampoo
Shampoo · Lists fragrance, fragrance allergens, exfoliating acid, essential oils, salicylic acid, coconut derivatives
L’Oréal
Honey Treasures
Lists fragrance, fragrance allergens, sulfates, silicones, coconut derivatives
Garnier
Honey Treasures Repairing Mask
Conditioner · Lists fragrance, fragrance allergens, drying alcohol, exfoliating acid, sulfates, silicones, salicylic acid, coconut derivatives
Garnier
Honey Treasures Repairing Shampoo
Shampoo · Lists fragrance, fragrance allergens, exfoliating acid, sulfates, silicones, salicylic acid, coconut derivatives
Garnier
Honey Water Moisture Restoring Shampoo
Shampoo · Lists fragrance, fragrance allergens, sulfates, coconut derivatives
Eucerin
hyalluron Filler + 3x effect
Lists fragrance, drying alcohol, chemical UV filters
Elvive
Hyaluron + Plump Hydrating Conditioner with Hyaluronic Acid for Dry Hair
Conditioner · Lists fragrance, fragrance allergens, drying alcohol, exfoliating acid, sulfates, silicones
Dial
Hyaluronic Acid Body Wash
Body wash · Lists fragrance, fragrance allergens, sulfates, coconut derivatives
Suave
Hyaluronic Infusion Moisturizing Shampoo
Shampoo · Lists fragrance, fragrance allergens, sulfates, silicones, coconut derivatives
Caudalie
Hyaluronic Nourishing Body Lotion
Body lotion · Lists fragrance, fragrance allergens, coconut derivatives
Vegamour
HYDR-8 Hydrate and Repair Shampoo
Shampoo · Lists fragrance, fragrance allergens, coconut derivatives
Garnier
Hydra 24h protect spf 30
Sunscreen · Lists drying alcohol, chemical UV filters
L’Oréal
Hydra Energetic Bille glacée Yeux anti-poches + anti-cernes
None of Poliage’s flag groups listed
L’Oréal
Hydra Energetic Gel douche Taurine 100mg
Lists fragrance, fragrance allergens, drying alcohol, exfoliating acid, sulfates, salicylic acid, coconut derivatives
Suave
Hydra Gloss Sulfate Free Conditioner
Conditioner · Lists fragrance, exfoliating acid, silicones
Suave
Hydra Gloss Sulfate Free Shampoo
Shampoo · Lists fragrance, exfoliating acid, coconut derivatives
l-oreal
Hydra Sensitive Gel douche sève de Bouleau (format XL)
Lists fragrance, fragrance allergens, exfoliating acid, sulfates, salicylic acid, coconut derivatives
L’Oréal
Hydra Sensitive Soin Hydratant Peaux Sensibles
Lists fragrance, fragrance allergens, silicones
Yves Rocher
Hydra végétal
Lists fragrance, sulfates, coconut derivatives
Renee Rouleau
Hydraboost Rescue Creme
Moisturizer · Lists essential oils, silicones
Bayer
Hydralin Lubrifiant
None of Poliage’s flag groups listed
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