Sodiumhydroxide
Also listed as: Sodium Hydroxide
Sodiumhydroxide appears on 10 ingredient lists in our database, most often in hair dyes.
What it triggers
- Vegan originNot sureorigin not on file
- FragranceNonot a perfume ingredient
- ParabenNonot a preservative of this family
- SulfateNonot a sulfate surfactant
- SiliconeNonot a silicone
- AlcoholNonot a drying alcohol
What it does
Sodiumhydroxide appears on 10 ingredient lists in our database, most often in hair dyes.
It does not belong to any of the six groups we check, so it never changes a verdict.
We have not written the plain-language note for this ingredient yet; the facts above come straight from how it is classified.
Functions: buffering, denaturant
Products with Sodiumhydroxide
in 10 products
L'Oréal Excellence 1 SortL'Oréal · hair dye- no photoAveeno Skin Relief Body Wash SensitiveAveeno · shower gel
L'Oréal Excellence 9 Meget Lys BlondL'Oréal · hair dye- no photoYves rocher Gel douche gommant énergisant mangue coriandreYves rocher · shower gel
L'Oréal Elvital Shampoo Extra Fine CoconutL'Oréal · shampoo
L'Oréal Fructis Strenght & Shine ShampooL'Oréal · shampoo
L'Oréal Revitalift Laser Night Skin CareL'Oréal · skin care
Procter & Gamble Norge As Head & Shoulder Shampoo Supreme RepairProcter & Gamble Norge As · shampoo
Procter & Gamble Norge As King C Gillette Beard BalmProcter & Gamble Norge As · shaving
L'Oréal Excellence 5.3 Lys GyldenbrunL'Oréal · hair dye
Showing 10 of 10 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.