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 21, 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
aromatherapy stress lotion bath and body works
Lists fragrance, fragrance allergens, essential oils, parabens, silicones
R+Co
ATLANTIS Moisturizing B5 Conditioner
Conditioner · Lists fragrance, fragrance allergens, drying alcohol
pantene
au lait 700ml
Lists fragrance, fragrance allergens, sulfates, silicones, coconut derivatives
Garnier
Ausgleichendes Shampoo
Lists fragrance, fragrance allergens, sulfates, coconut derivatives
Avant
Avant pink orchid subtle restoring overnight serum
None of Poliage’s flag groups listed
aveeno active naturals positively radiant body lotion
Lists fragrance, silicones
Aveeno
Aveeno Baby Eczema Therapy Nighttime Balm
Lists fragrance allergens, sulfates, silicones
Johnson & Johnson
Aveeno Baby Healthy Start Newborn Wash
Lists coconut derivatives
Aveeno
Aveeno Daily Moisturizing Cream
None of Poliage’s flag groups listed
Avon
Avon Skin So Soft Soft Smooth Creme Depilatori
Lists fragrance, fragrance allergens, parabens, silicones
Dermalogica
Awaken Peptide Eye Gel
Eye cream · Lists exfoliating acid, silicones
Axe
Axe Déodorant Homme Stick Collision Cuir & Cookies 48 h Non-Stop Frais 50ml
Lists fragrance, fragrance allergens
Axe
AXE Déodorant Homme Stick Collision Cuir & Cookies 48 h Non-Stop Frais Lot 2x50ml
Lists fragrance, fragrance allergens
Axe
AXE Déodorant Homme Stick Ice Chill 48h Non-Stop Frais 50ml
Lists fragrance, fragrance allergens, essential oils
Axe
Axe gd 250x2 you clfresh
Lists fragrance, fragrance allergens, sulfates, coconut derivatives
Axe
Axe Gel Douche 3-en-1 Homme Re-Load Frais et Vivifiant 6x400ml
Lists fragrance, fragrance allergens, sulfates, chemical UV filters, formaldehyde releasers, coconut derivatives
Axe
Axe Gel Douche 6en1 YOU Clean Fresh 250ml
Lists fragrance, fragrance allergens, sulfates, coconut derivatives
3en1
Axe Gel Douche Homme 3-en-1 Lendemain Difficile Réveil Détox 2x250ml
Lists fragrance, fragrance allergens, sulfates, coconut derivatives
Axe
Axe Gel Douche Homme 3en1 Lendemain Difficile Réveil Détox 2x400ml
Lists fragrance, fragrance allergens, sulfates, coconut derivatives
Axe
AXE Gel Douche Homme Black Night
Lists fragrance, fragrance allergens, sulfates, formaldehyde releasers, coconut derivatives
Axe
Axe SG
Lists fragrance, fragrance allergens, sulfates, formaldehyde releasers, coconut derivatives
Oral-B
AZ 3D White Ultra White dentifricio
Lists fragrance, fragrance allergens, sulfates
Anua
Azelaic 3 Cica Skin Clarifying Toner
Toner · Lists exfoliating acid, essential oils, salicylic acid, coconut derivatives
Anua
Azelaic Acid 10 Hyaluron Redness Soothing Serum
Serum · Lists exfoliating acid, salicylic acid
Related guides
How to read an ingredient list
What the ingredient list on a beauty product tells you, what the names mean, and what it leaves out, using FDA and EU labeling rules.
Does ingredient order show how much is in a product?
Ingredient lists run from most to least, but only down to 1%. Below that, any order is allowed. What the order shows and what it hides.
How do you patch test a new product?
What the AAD, FDA and DermNet say about testing a small area, the FDA hair dye skin test, in-office patch tests, and contact allergy basics.