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
Olay
Super Serum Body Lotion
Body lotion · Lists fragrance, exfoliating acid, silicones
Olay
Super Serum Body Wash for Bumps & Uneven Textured Skin , Serum Complex for Luminous Skin
Body wash · 20 oz · Lists fragrance, exfoliating acid, sulfates, salicylic acid, coconut derivatives
Olay
Super Serum Body Wash for Extra Dry Skin
Body wash · 20 fl oz · Lists fragrance, exfoliating acid, sulfates, salicylic acid, coconut derivatives
Olay
Super Serum Body Wash for Extra Dry Skin , Serum Complex for Luminous Skin
Body wash · 28 fl oz · Lists fragrance, exfoliating acid, sulfates, salicylic acid, coconut derivatives
Olay
Super Serum Body Wash for Normal Skin
Body wash · 20 fl oz · Lists fragrance, exfoliating acid, sulfates, salicylic acid, coconut derivatives
Olay
Super Serum Body Wash for Sensitive Skin
Body wash · 20 oz · Lists fragrance, sulfates, salicylic acid, coconut derivatives
Maelove
Super Smooth AHA + BHA Resurfacing Serum
Serum · Lists exfoliating acid, salicylic acid
Fekkai
Super Strength+ Shampoo
Shampoo · 8.5 oz · Lists fragrance, fragrance allergens, silicones, coconut derivatives
Oars + Alps
Superfoliant Body Scrub
Exfoliant · 8 fl. oz. · Lists fragrance, exfoliating acid, coconut derivatives
Naturopathica
Sweet Cherry Brightening Enzyme Peel
Exfoliant · Lists fragrance, exfoliating acid, salicylic acid
Tree Hut
Sweet Cream Whipped Shea Body Butter
Body lotion · Lists fragrance, fragrance allergens, silicones, coconut derivatives
Palette
syoss mousse per capelli
250 ml · Label from Italy · Lists fragrance, exfoliating acid
Drunk Elephant
T.L.C. Framboos Glycolic Night Serum
Lists exfoliating acid, salicylic acid
Drunk Elephant
T.L.C. Framboos Glycolic Resurfacing Night Serum
Serum · Lists exfoliating acid, salicylic acid
Drunk Elephant
T.L.C. Happi Scalp Scrub
Exfoliant · Lists exfoliating acid, salicylic acid, coconut derivatives
Drunk Elephant
T.L.C. Sukari Babyfacial AHA + BHA Mask
Mask · 1.69 fl oz · Lists exfoliating acid, salicylic acid
Kopari
Tahitian Vanilla Hydrating Body Wash
Body wash · Lists fragrance, fragrance allergens, coconut derivatives
Kopari
Tahitian Vanilla Ultra Restore Body Butter
Body lotion · Lists fragrance, fragrance allergens, coconut derivatives
Harry’s
Taming Cream
150 ml · Ingredients incomplete, can’t check
Tree Hut
Tangerine Hydraglow Body Lotion
Body lotion · Lists fragrance, fragrance allergens, drying alcohol, silicones
tea tree ginger
Ingredients incomplete, can’t check
Love Beauty and Planet
Tea Tree Oil & Vetiver Conditioner
Conditioner · 400 mL · Label from Malaysia · Lists fragrance, fragrance allergens, essential oils, sulfates, coconut derivatives
Love Beauty and Planet
Tea Tree Oil & Vetiver Shampoo
400 mL · Label from Indonesia and Malaysia · Lists fragrance, drying alcohol, essential oils, sulfates, coconut derivatives
tea tree shampoo
Ingredients incomplete, can’t check
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