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THE INGREDIENT EDIT BEAUT.IN / 75413

CYCLOPENTASILOXANE

A cyclic silicone ingredient with a distinct source identity.

Explore benefits ↗
YOUR LABEL, DECODED.Follow the references ↓
INCI / SOURCE NAMECYCLOPENTASILOXANE
CAS REFERENCE541-02-6
RECORDED FUNCTIONS4 cosmetic roles
RESEARCH COVERAGESource + Beaut.in explanationView evidence scope ↗
01 / BENEFITS & USES

What it brings to beauty.

Explore the recorded roles of CYCLOPENTASILOXANE 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

  • Skin Conditioning - EmollientHelps leave skin feeling softer and smoother.
  • Skin ConditioningA broad skin-conditioning role is recorded. A more specific benefit needs ingredient-level evidence.
02 / COSMETIC CONTEXT

For hair

  • Hair ConditioningHelps improve hair feel, appearance or manageability in a conditioning formula.
03 / FORMULATION ROLE

In cosmetics

  • Skin Conditioning - EmollientHelps improve the soft, smooth feel of skin.
  • Hair ConditioningHelps improve the feel, appearance or manageability of hair. Results depend on the finished formula and hair condition.
  • Skin ConditioningUsed to help keep skin in good condition. This broad function does not identify a specific clinical result.
Explore 1 more roles
  • SolventDissolves or carries other formula ingredients. A solvent can help bring different components into a usable product.

Possible formulation contexts

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

  • Creams and lotions
  • Hair-conditioning formulas
  • Skin-conditioning formulas
  • Dissolving and carrying ingredients
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

Cyclopentasiloxane is the cyclic dimethyl polysiloxane that conforms to the formula:

European Commission · source text, with formatting normalised · CC BY 4.0
Source ingredient name
CYCLOPENTASILOXANE
CAS identifier(s)
541-02-6
EC identifier(s)
208-764-9
Other source names / search aliases
No additional names recorded

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

  • Decamethylcyclopentasiloxane

Matched chemical reference

PubChem compound ID
10913
Molecular formula
C10H30O5Si5
Molecular weight
370.77 g/mol
Systematic name
2,2,4,4,6,6,8,8,10,10-decamethyl-1,3,5,7,9,2,4,6,8,10-pentaoxapentasilecane
InChIKey
XMSXQFUHVRWGNA-UHFFFAOYSA-N

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?

Skin Conditioning - Emollient

Helps improve the soft, smooth feel of skin.

Hair Conditioning

Helps improve the feel, appearance or manageability of hair. Results depend on the finished formula and hair condition.

Skin Conditioning

Used to help keep skin in good condition. This broad function does not identify a specific clinical result.

Solvent

Dissolves or carries other formula ingredients. A solvent can help bring different components into a usable product.

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

04 / READ THE LABEL

A little more understanding.

Cyclopentasiloxane and cyclohexasiloxane are different names. Check identity before researching restrictions.

Environmental and regulatory conditions require a jurisdiction-specific review; a source listing does not establish permission.

05 / EVIDENCE & REGULATORY CONTEXT

Keep the context in view.

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 10913 · 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: 75413.

  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.