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Cosmetics Ingredients

POLYMETHYLSILSESQUIOXANE

CAS Number	68554-70-1
COSING REF No:	79017

Polymethylsilsesquioxane

Polymethylsilsesquioxane is an ingredient widely used in the world of cosmetics. It comes in powder form and has round particles. The primary function of Polymethylsilsesquioxane is its film-forming capabilities and conditioning of the skin and hair. It is also responsible for protecting the surface that it is applied on while also improving the feel and texture of formulations. Additionally, Polymethylsilsesquioxane is good for all skin types. The chemical formula of Polymethylsilsesquioxane is [CH₃SiO_3/2]_n.

Who supplies POLYMETHYLSILSESQUIOXANE ?

Momentive Performance Materials

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The Innovation Company

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Elkem Silicones

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What is POLYMETHYLSILSESQUIOXANE used for?

Polymethylsilsesquioxane has plenty of uses in skin care, hair care, and cosmetics. It is widely used in products such as lotions, shampoos, and makeup.

Skin care: It has anti-aging and film-forming properties that lock in moisture and keep the skin hydrated throughout the day. This ingredient is responsible for the silky appearance of the skin and is also good for absorbing oil. Further, it also improves the texture and feel of the products - leaving them richer and creamier.
Hair care: It acts as a conditioner and improves the look and feel of the hair shafts. It forms a film on the hair which reduces the loss of moisture and thus keeps the shafts nourished.

Origin

Polymethylsilsesquioxane is a type of silicone that is made by the hydrolysis and condensation of silicone methyltrimethoxysilane. Further, Polymethylsilsesquioxane is not natural but is a synthetic polymer made in labs.

What does POLYMETHYLSILSESQUIOXANE do in a formulation?

Film forming
Hair conditioning
Opacifying
Skin protecting

Safety profile

Contrary to the common misconceptions, Polymethylsilsesquioxane is a highly safe ingredient and does not have any harmful side effects. It is sometimes said to be toxic because it is silicone, however, researchers have found this to be untrue. For Polymethylsilsesquioxane to be a danger it would have to be absorbed into the skin or scalp. But, its molecules are large enough to prevent this. Polymethylsilsesquioxane is also gluten-free and non-comedogenic, which means that it does not cause acne.

POLYMETHYLSILSESQUIOXANE Alternatives

TRIMETHYLSILOXYSILICATE

Technical profile

Property	Values
Melting Point	> 999°C
pH	6.0 - 8.0
Solubility	Insoluble in water

39

Commercial Selection : Grades containing solely POLYMETHYLSILSESQUIOXANE

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39 Products Found

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MIRASIL™ MICROPEARL 40

Elkem Silicones

Active Concepts

Poly(Methylsilsesquioxane), 100% Methyl

SR (Polymethylsilsesquioxane)

Grant Industries

Grant Industries

Guangzhou Batai Chemical

Guangzhou Batai Chemical

Guangzhou Batai Chemical

Guangzhou Batai Chemical

Jiangxi XinJiaYi New Materials

Diasphere® KS-1000

Kolon Industries

Diasphere® KS-200

Kolon Industries

Diasphere® KS-200C

Kolon Industries

Diasphere® KS-500D

Kolon Industries

SilForm* Flexible Resin

Momentive Performance Materials

Tospearl* 1110A microspheres

Momentive Performance Materials

Tospearl* 120A microspheres

Momentive Performance Materials

Tospearl* 130 microspheres

Momentive Performance Materials

Tospearl* 145A microspheres

Momentive Performance Materials

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Creaspheres® DIM WL 1

The Innovation Company

Creaspheres® DIM WL 2

The Innovation Company

Creaspheres® DIM WL 4

The Innovation Company

Creaspheres® DIM WL 6

The Innovation Company

Creaspheres® DIM WL10

The Innovation Company

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BELSIL® PMS MK Powder

91

FORMULATIONS with POLYMETHYLSILSESQUIOXANE

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633 Kb

Decorative Cosmetics: Bosong Loose Powder-2 by LUXON

This Bosong Loose Powder-2 provides oil control, transparency, soft-focus and long-lasting effect. It features: LX PMSQ P50: which is a silicone spherical resin with 3-dimensional network structure. It offers soft focus effect and gives natural skin shading. ELASTA SP101: which is a hybrid microsphere of silicone elastic polymer and silicone resin. It hides wrinkles by filling up the lines of wrinkles. A formulation by LUXON.

pdf
633 Kb

Decorative Cosmetics: Bosong Loose Powder-1 by LUXON

This Bosong Loose Powder-1 provides oil control, soft focus, transparency and long-lasting effect. It features: ELASTA SP101: which is a hybrid microsphere of silicone elastic polymer and silicone resin. It hides wrinkles by filling up the lines of wrinkles. LX PMSQ P100: which is a white silicone powder. A formulation by LUXON.

pdf
642 Kb

Decorative Cosmetics: Semi Matte Foundation W/S (SPF25, PA++) by LUXON

This Semi Matte Foundation W/S (SPF25, PA++) provides excellent coverage, long-lasting and semi-matt effect. It features: LX PMSQ P50: which is a silicone spherical resin with 3-dimensional network structure. It offers soft focus effect and gives natural skin shading. DACHEA EZH IOY50: which is a pigment dispersion. It has high pigment content and provides high viscosity with excellent color strength. A formulation by LUXON.

pdf
651 Kb

Decorative Cosmetics: Double Make Up Foundation W/S (SPF10, PA+) by LUXON

This Double Make Up Foundation W/S (SPF10, PA+) is a waterproof, standard coverage, long-lasting foundation. It features: LX PMSQ P50: which is a silicone spherical resin with 3-dimensional network structure. It offers soft focus effect and gives natural skin shading. SPHESTA MD7 AM: which acts as a softening agent. It is a semi-transparent, silica coated spherical powder. A formulation by LUXON.

pdf
636 Kb

Sun Care: Shaking Sun Milk W/S (SPF50+, PA++++) by LUXON

This Shaking Sun Milk W/S (SPF50+, PA++++) provides light feeling, excellent UV protection and semi-matte finish without cloudiness. It features: LX-NT-95: which is an inorganic UV filter without white cast. It offers great sensory effect and emulsification with stable dispersion. LX PMSQ P50: which is a silicone spherical resin with 3-dimensional network structure. It offers soft focus effect and gives natural skin shading. A formulation by LUXON.

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