Sodium Hydroxide
Sodium Hydroxide is a buffering and denaturant ingredient. It’s in 2,130 products on Poliage, most often body lotion, moisturizer and body wash. Avoid lists on Poliage that include it: none.
Updated October 25, 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
Suave
Kids Purely Fun Oat & Honey 3-in-1 Shampoo, Conditioner & Body Wash
Body wash · 28oz · Lists fragrance, sulfates, silicones, coconut derivatives
NIVEA
kids sensitive protect
200 ml · Label from Norway and Sweden · Lists drying alcohol, chemical UV filters
Nivea Sun
kids sensitive protect 5 in 1 SPF50+ lotion
200 ml · Label from Sweden · Lists drying alcohol, chemical UV filters
Nivea
Kids Sensitive Protect Spray, SPF50
270 ml · Label from Norway · Lists drying alcohol, chemical UV filters
babyganics
Kids SPF 50 Mineral Sunscreen
Sunscreen · Lists coconut derivatives
khiel’s
kiehl’s ultra facial cleanser
2.5 fl. oz. - 75ml · Lists sulfates, coconut derivatives
Kirkland Moisture Conditioner
Lists fragrance, drying alcohol, silicones
The Body Shop
Kistna Hair & Body Wash
Body wash · 200ml · Lists fragrance, fragrance allergens, essential oils, sulfates, coconut derivatives
Medicube
Kojic Acid Turmeric Gel Cleanser
Cleanser · Lists exfoliating acid, salicylic acid
Medicube
Kojic Acid Turmeric Toner
Toner · Lists exfoliating acid, essential oils
alverde
Körperbutter Bio-Kürbiskernöl & Moosbeere
200 ml · Label from Germany · Ingredients incomplete, can’t check
Alverde
Körpercreme
300ml · Label from Germany · Ingredients incomplete, can’t check
Lacura
Körperlotion (soft)
500 ml · Label from Germany · Lists fragrance, fragrance allergens, sulfates
Naturium
KP Body Scrub & Mask
Exfoliant · Lists exfoliating acid, silicones, salicylic acid, coconut derivatives
First Aid Beauty
KP Bump Eraser Body Scrub 10% AHA
Exfoliant · Lists exfoliating acid, silicones, coconut derivatives
First Aid Beauty
KP Bump Eraser Body Scrub 10% AHA Fresh Peach
Exfoliant · Lists exfoliating acid, silicones, coconut derivatives
First Aid Beauty
KP Bump Eraser Body Scrub 10% AHA Toasted Coconut
Exfoliant · Lists exfoliating acid, silicones, coconut derivatives
L’Oréal
L’après-shampooing hydratant Lait d’amande nourricier
200 ml · Label from France · Lists fragrance, fragrance allergens, exfoliating acid, salicylic acid, coconut derivatives
L’Oreal
L’Oreal Hydra Hyaluronic Shampoo Nachfüllef
250ml · Label from Austria · Ingredients incomplete, can’t check
L’Oreal Men Expert
L’Oreal Men Expert, Hydra Energetic Wake-up Effect Face Wash, 100 ml
100 ml · Label from Ireland · Lists fragrance, fragrance allergens, exfoliating acid, sulfates, salicylic acid, coconut derivatives
L’Oréal
L’Oreal Paris Elseve 6 Mucizevi Yağ Besleyici Şampuan
520 ml · Label from Turkey · Ingredients incomplete, can’t check
L’Oréal
L’ORÉAL Professionnel LISS UNLIMITED
250ml · Label from Portugal · Ingredients incomplete, can’t check
L’Oréal
L’Oréal Professionnel Serioxyl GlucoBoost
250 ml · Label from Portugal · Ingredients incomplete, can’t check
L’Oréal
L’Oréal Professionnel Solar Sublime
250 ml · Label from Portugal · Ingredients incomplete, can’t check
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