Potassium hydroxide
Potassium hydroxide
Potassium Hydroxide (INCI: Potassium Hydroxide) is a chemical compound obtained by synthesis. It acts as a pH adjuster in cosmetic formulations.
BufferingRestricted use
Ingredient
Roles & functions
Buffering — Adjusts and stabilises the pH of the formula.
Regulatory framework
What the authorities say
| Authority | Status |
|---|---|
| Commission européenne (CosIng, Règl. 1223/2009) | Autorisé sous conditions |
| CLP classification (Reg. 1272/2008) | No CMR classification |
| ECHA — endocrine disruptor (human health) | Not identified as an endocrine disruptor |
| ECHA — Candidate List (SVHC, REACH Art. 59) | Not on the Candidate List (SVHC) |
| European Commission (Reg. 1223/2009, Annex III) | No cosmetic allergen subject to mandatory labelling |
| European Commission (EU catalogue of nanomaterials, Reg. 1223/2009) | No referenced nanoform |
| European Commission — Annex III (Reg. 1223/2009) — maj Fri, 07 Aug 2026 16:37:23 GMT | Permitted subject to restrictions (Annex III) — max (a) 5% (b) 2% (General use) and 4.5% (Professional use) Entry 15d: 1,5% in (a) Nail cuticle solvent (b) Hair straightener (c) pH adjuster for depilatories (d) Other uses as pH adjuster Callosity softener/remover (entry 15d) — (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 — (b) 1. General use 2. Professional use (c) up to pH 12.7 (d) up to pH 11 15 d Contains alcakali, Avoid contact with eyes Keep out of reach of chindren ans Read directions for use carefully |
Products
Products containing it
Eye CareGel Émollient Cuticules Abîmées, 5ml
MádaraGlycolic Glow Toner Tonique Exfoliant, 150ml
MádaraAcne Roll-On Action Ciblé, 8ml
CADUMCADUM BB EAU PURE NETTOYANTE FP 750 ML
MádaraPeel Masque Peeling Éclaircissant Aha, 60ml
No BacterNobacter Mousse À Raser. Aérosol 150ml
KloraneCrème Dépilatoire Visage Et Zones Sensibles à l'Amande Douce, 75ml
K18 Biomimetic HairscienceHair Mist Brume Réparation Moléculaire, 300ml
KloraneCrème Dépilatoire Peaux Sensibles à l'Amande Douce,150ml
MádaraBrume Biotique Hydratante à l'Acide Hyaluronique, 100ml
K18 Biomimetic HairscienceMasque Sans Rinçage Réparation Moléculaire, 5ml
SVRXérial Peel. Bt 2 Chaussettes
Statistics
In Lou’s database
43
products listed
| Most frequent categories | Complexion · Hydration · Cleansers & makeup removers · Serums · Gum care |
| Most frequent brands | Mádara · Avril · K18 Biomimetic Hairscience · Klorane · Meridol |
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This information is reported factually and with attribution (authorities and publications cited). It does not constitute medical advice, for your situation, ask a pharmacist or a healthcare professional for advice.
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