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THE INGREDIENT EDIT BEAUT.IN / 36981

POTASSIUM HYDROXIDE

Potassium Hydroxide is the inorganic base

Explore benefits ↗
YOUR LABEL, DECODED.Follow the references ↓
INCI / SOURCE NAMEPOTASSIUM HYDROXIDE
CAS REFERENCE1310-58-3
RECORDED FUNCTIONS1 cosmetic roles
RESEARCH COVERAGESource dossierView evidence scope ↗
01 / BENEFITS & USES

What it brings to beauty.

Explore the recorded roles of POTASSIUM HYDROXIDE and what they can mean in a cosmetic formula.

Source-function explanation

The panels below interpret this ingredient’s recorded functions. They describe possible contributions, not proven clinical results. Any individually reviewed study is shown separately.

01 / COSMETIC CONTEXT

For skin

No skin-specific function has been mapped from this source record. Ingredient-specific skin benefits have not yet been reviewed here.

02 / COSMETIC CONTEXT

For hair

No hair-specific function has been mapped from this source record. Hair or scalp benefits have not yet been reviewed here.

03 / FORMULATION ROLE

In cosmetics

  • BufferingHelps manage a formula’s pH. The final pH depends on the whole formulation.

Possible formulation contexts

Examples associated with the recorded function classes; these are not verified product listings or instructions to apply the raw ingredient.

  • pH-controlled formulas
Read the benefit with the formula.

Ingredient form, concentration, pH, delivery system and contact time can change the result. A skin finding does not establish a hair benefit; a conditioning or fibre result does not establish hair growth.

CosIng record · function source ↗
02 / KNOW THE NAME

Ingredient identity

COSING SOURCE DESCRIPTION

Potassium Hydroxide is the inorganic base

European Commission · source text, with formatting normalised · CC BY 4.0
Source ingredient name
POTASSIUM HYDROXIDE
CAS identifier(s)
1310-58-3
EC identifier(s)
215-181-3
Other source names / search aliases
potassium hydroxide; kalii hydroxidum

CAS and EC identifiers are source references. A botanical extract, polymer or mixture may have more than one identifier; a name does not establish purity, supplier grade or sourcing.

Chemical names in the source

  • Potassium hydroxide

Matched chemical reference

PubChem compound ID
14797
Molecular formula
HKO
Molecular weight
56.106 g/mol
Systematic name
potassium hydroxide
InChIKey
KWYUFKZDYYNOTN-UHFFFAOYSA-M

Matched through one source CAS and a confirmed ingredient name or source alias. These facts describe the matched PubChem record; they do not describe particle form, supplier grade or finished-product performance.

03 / INSIDE THE FORMULA

What does it do?

Buffering

Helps manage a formula’s pH. The final pH depends on the whole formulation.

Functions describe possible roles in a formulation. They do not establish the performance of every product containing this ingredient.

04 / READ THE LABEL

Match the complete name.

Look for the complete name POTASSIUM HYDROXIDE. Similar words, derivatives and salts can refer to different ingredients.

A label usually does not tell you the supplier grade, extraction method or exact concentration of each ingredient. An individual ingredient cannot reveal the overall behaviour of a finished formula.

Expanded Beaut.in explanation in progress

This entry currently documents source identity and functions. Ingredient-specific efficacy studies, sensitisation context and India-specific restrictions still need an editorial review.

05 / EVIDENCE & REGULATORY CONTEXT

Keep the context in view.

European Union source references

Conditions below are taken from the dated CosIng annex export. A reference can cover a group of substances and specific product types. Read all conditions together; this is not an assessment of an Indian product.

Annex III/15a · Restricted-substance list (EU source) Identity matched to source row
Chemical name / INN
Potassium or sodium hydroxide
Product Type, body parts
(a) Nail cuticle solvent
(b) Hair straightener
(c) pH adjuster for depilatories
(d) Other uses as pH adjuster
Callosity softener/remover (entry 15d)
Maximum concentration in ready for use preparation
(a) 5%
(b) 2% (General use) and 4.5% (Professional use)
Entry 15d: 1,5%
Other
(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
Wording of conditions of use and warnings
(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
Regulation
(EU) 2016/622
Update Date
11/01/2024
European Commission · Annex source ↗

Scientific committee documents linked by the source

These documents form a reading list. A linked opinion may address a particular purity, exposure, concentration or product category. Historical links and current applicability require further review.

India

Applicable Cosmetics Rules and standards need to be checked for the ingredient, product type and use. Ingredient-specific restrictions have not yet been mapped here.

European Union

CosIng records do not authorise use. Check the current Cosmetics Regulation and annexes for restrictions and conditions.

United States

FDA guidance has a US scope. Product classification, colour additives and other ingredient conditions require separate checks.

Individual experience

No personalised suitability or allergy assessment is provided. A source function is separate from human efficacy and finished-product testing.

Independent clinical evidence synthesis
Not yet completed
Ingredient safety score
Not assigned
Concentration / exposure limits
Not inferred from the ingredient name
06 / FOLLOW THE REFERENCE

Sources & record history

About this image

2D structure · PubChem CID 14797 · 2D structure depiction using the PubChem isomeric SMILES record. This does not show particle size, crystal form, supplier grade or raw-material appearance.

Structure rendered for Beaut.in from PubChem data.

Original image / data source ↗

Rendered from the source isomeric SMILES representation. This is not a photograph of the cosmetic raw material. · Reference checked 28 October 2026.

  1. European Commission · CosIng ingredient record ↗

    Identity, identifiers and functions. Snapshot checked 28 October 2026. CosIng source reference: 36981.

  2. European Commission · Database scope & limitations ↗
  3. CDSCO · India cosmetics framework ↗
  4. FDA · US cosmetics guidance ↗

Beaut.in explains ingredient information in original language. Source inclusion does not constitute endorsement. Source descriptions and annex-table fields are reproduced with credit to the European Union; formatting is normalised. The current record is a dated snapshot, not a live regulatory monitor. Reuse terms: European Commission · CC BY 4.0 ↗.

THE BEAUT.IN PRODUCT INDEX

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This growing index keeps its product reports on Beaut.in. References were captured on 27 October 2026. Final prices, stock, pack details, seller, delivery and returns must be checked at the retailer.

THE COMPARISON STUDIO

Your shortlist, in perspective

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Similar purpose does not establish an equivalent formula or a verified dupe. No quality score is calculated. Ingredient detail here is a source reference; confirm the current Indian pack.