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
BYOMA
Blemish Acne Clearing Body Wash
Body wash · Lists fragrance allergens, exfoliating acid, sulfates, salicylic acid, coconut derivatives
BYOMA
Blemish Acne Clearing Cleanser
Cleanser · Lists exfoliating acid, salicylic acid, coconut derivatives
BYOMA
Blemish Acne Control Body Lotion
Body lotion · Lists exfoliating acid, salicylic acid
BYOMA
Blemish Acne Control Moisturizer
Moisturizer · Lists exfoliating acid, salicylic acid
BYOMA
Blemish Acne Treatment Spot Paste
Serum · Lists fragrance allergens, exfoliating acid, salicylic acid
Juice Beauty
Blemish Clearing Cleanser
Cleanser · Lists exfoliating acid, essential oils
Biore
Blemish-Fighting Ice Cleanser
Cleanser · Lists fragrance, sulfates, parabens, formaldehyde releasers, coconut derivatives
Procter & Gamble
Blend-a-med Classic Zahncreme
Lists fragrance, fragrance allergens, sulfates
Moroccanoil
Blonde Perfecting Purple Conditioner
Conditioner · Lists fragrance, fragrance allergens, drying alcohol, silicones
Fekkai
Blonde Rx Purple Shampoo
Shampoo · Lists fragrance, fragrance allergens, coconut derivatives
R+Co
BLONDED BRIGHTENING SHAMPOO
Shampoo · Lists fragrance, fragrance allergens
Obagi
Blue Resurface Dual-Acid Peel
Exfoliant · Lists drying alcohol, exfoliating acid, salicylic acid
Dr. Dennis Gross
Blur + Repair Moisturizer Cream with Hyaluronic Acid
Moisturizer · Lists coconut derivatives
Ouai
Body Cleanser Dean Street
Body wash · Lists fragrance, fragrance allergens, chemical UV filters, coconut derivatives
Ouai
Body Cleanser Melrose Place
Body wash · Lists fragrance, fragrance allergens, chemical UV filters, coconut derivatives
Ouai
Body Cleanser St. Barts Scent
Body wash · Lists fragrance, fragrance allergens, drying alcohol, chemical UV filters, coconut derivatives
Adidas
Body hair face - After sport
Lists fragrance, fragrance allergens, sulfates, salicylic acid, coconut derivatives
L’Oréal
Body Intensive 7 Days Lait Fluide Hydratant L-Bifidus + Aloe Vera
Lists fragrance, fragrance allergens, drying alcohol, silicones
Eos evolution of smooth
body lotion
Body lotion · Lists fragrance, fragrance allergens, silicones
Nivea
body lotion
Lists fragrance, fragrance allergens, sulfates, silicones, coconut derivatives
CARE
Body lotion
Body lotion · Lists fragrance, fragrance allergens, exfoliating acid, silicones
Dr Teal’s
Body Lotion
Body lotion · Lists fragrance, silicones
Cien
Body Lotion
Lists fragrance, fragrance allergens, sulfates, silicones
Maison Louis Marie
Body Lotion - No.09 Vallée de Farney
Body lotion · Lists fragrance, fragrance allergens
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