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THE INGREDIENT EDIT BEAUT.IN / 94601

METHOXY PEG-10 POLYSILSESQUIOXANE

Methoxy PEG-10 Polysilsesquioxane is a resinous material composed of a mixture of three-dimensional siloxane polymers and oligomers with cage structures. For the oligomers, each silicon atom in the polysilsesquioxane is connected via oxygen atoms to three other…

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YOUR LABEL, DECODED.Follow the references ↓
INCI / SOURCE NAMEMETHOXY PEG-10 POLYSILSESQUIOXANE
CAS REFERENCE1838163-04-4
RECORDED FUNCTIONS5 cosmetic roles
RESEARCH COVERAGESource dossierView evidence scope ↗
01 / BENEFITS & USES

What it brings to beauty.

Explore the recorded roles of METHOXY PEG-10 POLYSILSESQUIOXANE 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

  • HumectantWater binding can help support a hydrated skin feel in a well-formulated product.
  • CleansingHelps lift or remove soil and excess oil during washing. Mildness depends on the whole cleansing system.
  • Skin ConditioningA broad skin-conditioning role is recorded. A more specific benefit needs ingredient-level evidence.
02 / COSMETIC CONTEXT

For hair

  • CleansingCan contribute to removing soil, oil and product residue during washing. This is a cleansing role, not a hair-growth effect.
03 / FORMULATION ROLE

In cosmetics

  • HumectantHelps a formula attract and retain water. The overall moisturising effect depends on the complete product.
  • CleansingHelps remove material from the skin or hair surface during cleansing.
  • Skin ConditioningUsed to help keep skin in good condition. This broad function does not identify a specific clinical result.
Explore 2 more roles
  • Surfactant - CleansingHelps lift and disperse oil and soil so they can be rinsed away. Cleansing strength depends on the blend and use conditions.
  • 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.

  • Moisturising formulas
  • Rinse-off cleansers
  • Shampoos
  • 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

Methoxy PEG-10 Polysilsesquioxane is a resinous material composed of a mixture of three-dimensional siloxane polymers and oligomers with cage structures. For the oligomers, each silicon atom in the polysilsesquioxane is connected via oxygen atoms to three other silicon atoms and can be represented by the empirical formulation RSiO3/2 where R represents the methoxy PEG-10 propyl moiety. For the larger polymeric polysilsesquioxanes, some of the silicon atoms are not connected to other silicon atoms and instead have a silanol (SiOH) group. Methoxy PEG-10 Polysilsesquioxane is prepared by the hydrolysis and condensation of Methoxy PEG-10 Propyltrimethoxysilane

European Commission · source text, with formatting normalised · CC BY 4.0
Source ingredient name
METHOXY PEG-10 POLYSILSESQUIOXANE
CAS identifier(s)
1838163-04-4
EC identifier(s)
Not recorded in this snapshot
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

  • Poly(oxy-1,2-ethanediyl), \a-methyl-\q-[3-(trimethoxysilyl)propoxy]-, hydrolyzed
03 / INSIDE THE FORMULA

What does it do?

Cleansing

Helps remove material from the skin or hair surface during cleansing.

Humectant

Helps a formula attract and retain water. The overall moisturising effect depends on the complete product.

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.

Surfactant - Cleansing

Helps lift and disperse oil and soil so they can be rinsed away. Cleansing strength depends on the blend and use conditions.

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 METHOXY PEG-10 POLYSILSESQUIOXANE. 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.

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

  1. European Commission · CosIng ingredient record ↗

    Identity, identifiers and functions. Snapshot checked 28 October 2026. CosIng source reference: 94601.

  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 ↗.

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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.

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