Sodium Hydroxide
Sodium Hydroxide is a buffering and denaturant ingredient. It’s in 2,157 products on Poliage, most often body lotion, moisturizer and body wash. Avoid lists on Poliage that include it: none.
Updated October 26, 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
Grown Alchemist
Tomorrowland Hand + Body Lotion
Body lotion · 500ml · Lists fragrance, fragrance allergens, coconut derivatives
Nivea
Tônico Facial Nivea Acne Control 200ml
200 ml · Label from Brazil · Lists fragrance, exfoliating acid, salicylic acid
Cosmia
Tonique
0.25 l · Label from France and World · Lists fragrance
Timotei
Tonus Brillance Shine Recharge Shampooing
400 ml · Label from France · Lists fragrance, fragrance allergens, exfoliating acid, sulfates, silicones, chemical UV filters, coconut derivatives
Crest
Toothpastes
167g · Lists fragrance, sulfates
Topco Associates Llc
top
Lists fragrance allergens, silicones
Johnson’s
Top-to-toe baby bath
500 ml · Label from United Kingdom · Lists fragrance, coconut derivatives
Fenty Skin
Total Cleans’r Remove-It-All Cleanser
Cleanser · Lists fragrance, fragrance allergens, essential oils, coconut derivatives
Olay
Total Effects Face Moisturizer Fragrance-Free SPF 15
Sunscreen · Lists fragrance allergens, retinoid, parabens, silicones, chemical UV filters
Colorescience
Total Eye Firm & Repair Cream
Eye cream · Lists silicones
Medik8
Total Moisture Daily Facial Cream
Moisturizer · Lists exfoliating acid, silicones
Colgate
Total Original
75 ml · Label from Germany · Lists fragrance, fragrance allergens, sulfates
Colgate
Total Pro-Soin Gencives
75 ml · Label from France · Lists fragrance, fragrance allergens, sulfates
Ole Henriksen
Touch Retexturizing Body Scrub
Exfoliant · Lists fragrance, fragrance allergens, coconut derivatives
Trader Joe’s
Trader Joe’s Hand & Body Cream
Ingredients incomplete, can’t check
Yves Rocher
Tradition de Hammam, Baume nourrisant à l’huile d’argan bio du Maroc et à l’huile essentielle bio de fleur d’oranger
200 ml · Label from France · Lists fragrance, fragrance allergens, drying alcohol, essential oils, sulfates, parabens, coconut derivatives
The INKEY List
Tranexamic Acid Serum
Serum · Lists fragrance allergens
Kate Somerville
Travel Size ExfoliKate Cleanser Daily Foaming Wash
Lists fragrance allergens, exfoliating acid, essential oils, silicones, coconut derivatives
Soap & Glory
Travel Size Face Soap And Clarity Facial Wash
Lists fragrance, fragrance allergens, chemical UV filters, coconut derivatives
Dermalogica
Travel Size Skin Resurfacing Cleanser
Lists fragrance allergens, exfoliating acid, essential oils, sulfates, coconut derivatives
Dermalogica
Travel Size Special Cleansing Gel
Lists essential oils, coconut derivatives
fresh
Travel Size Sugar Strawberry Exfoliating Face Wash
Lists fragrance, fragrance allergens
TRESemmé
Tresemme Botanic Shampoo
Label from South Africa · Ingredients incomplete, can’t check
Tresemme
Tresemme Fermented Rice Shampoo
370 ml · Label from India · Lists fragrance, fragrance allergens, coconut derivatives
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