Sodium Hydroxide
Also listed as: Sodium Hydroxide', Sodi̇um Hydroxide, šodium Hydroxide
Lye, used in tiny amounts to neutralise acids and set the pH.
What it triggers
- Vegan originYesno animal source
- FragranceNonot a perfume ingredient
- ParabenNonot a preservative of this family
- SulfateNonot a sulfate surfactant
- SiliconeNonot a silicone
- AlcoholNonot a drying alcohol
What it does
Sodium hydroxide is strongly alkaline on its own, but in a finished product it has already reacted with an acid and only the neutral result remains. It is listed because the rules require every ingredient added to the batch.
It does not affect any of the six checks.
Functions: pH adjuster
Products with Sodium Hydroxide
in 3,087 products
Alverde Clear 2 in 1 Peelingmaske - Heilerde Bio-GrünteeAlverde · scrub- no photoLavera Crème Basis SensitivLavera · body moisturizer
Alverde Clear Gesichtstonic - Heilerde Bio-GrünteeAlverde · face care- no photoHerbal Essences Bio Renew Coconut Milk & Aloe Deep Hydrate MaskHerbal Essences
Klorane Bébé Crème lavante nourrissante cold creamKlorane Bébé · cleanser
Mustela Baume RéconfortantMustela · cream or lotion
timotei pure shampoo green tea extractTimotei · shampoo
Boiron homéodent soin complet dents et gencives citronBoiron · oral care- no photoRevolution Superfix Super Grip PrimerRevolution · face makeup
- no photoBioten x-press absorb hand creamBioten · hand cream
- no photoBalea med Duschgel pH 5,5 HautneutralBalea med · shower gel
Leader Price Soin hydratant peaux sèches & sensiblesLeader Price · face cream- no photoGarnier Honey TreasuresGarnier · shampoo
- no photoOral-B Toothpaste Gum & Enamel Daily ProtectionOral-B · toothpaste
- no photoLéa nature douche-crème lait d'ânesseLéa nature · shower gel
Dop Shampooing très doux aux œufsDop · shampoo- no photoNivea Yenileyici Micellar Makyaj Temizleme SuyuNivea · makeup remover
Bebe Biafine Crème lavante cheveux et corpsBebe Biafine · cleanser- no photoDeliplus Crema facial noche aclaranteDeliplus · face cream
- no photoNivea body milkNivea · body moisturizer
Sundance Pro Climate Sonnenfluid 50Sundance · sunscreen
L'Oréal Paris Sublime Body Nutrition Royale Lait fondant hydratantL'Oréal Paris · body moisturizer- no photoHerbal ShampooHerbal · shampoo
- no photoNivea Q10 Anti Wrinkle Eye CreamNivea · eye cream
Showing 24 of 3,087 products with this ingredient, most scanned first.
In the EU ingredient database
- buffering
- denaturant
- buffering: Stabilising the pH of an aqueous medium in a narrow range even if an acid or base is added. Altering and/or maintaining a cosmetic product's pH at the desired level.
- denaturant: Rendering cosmetics unpalatable. Mostly added to cosmetics containing ethyl alcohol to make it unsuitable for ingestion.
CAS 1310-73-2 · EC 215-185-5
Listed in Annex III (ref. 15a) of the EU Cosmetics Regulation, maximum concentration (a) 5% (b) 2% (General use) and 4.5% (Professional use) Entry 15d: 1,5%. (a) Nail cuticle solvent (b) Hair straightener (c) pH adjuster for depilatories (d) Other uses as pH adjuster Callosity softener/remover (entry 15d) III/15a (a) Contains alkali Avoid contact with eyes Can cause blindness Keep out of reach of children (b) 1. Contains alkali Avoid contact with eyes Can cause blindness Keep out of reach of children 2. For professional use only Avoid contact with eyes Can cause blindness (c) Keep out of reach of children Avoid contact with eyes
Source: CosIng, European Commission. Informative, no legal value; the regulation text is the reference.