Polysilicone-15

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Polysilicone-15
Polysilicone-15 structure.svg
Names
IUPAC names
α-(trimethylsilyl)-
ω-(trimethylsilyloxy)poly[oxy(dimethyl)silylene]-
co-[oxy(methyl)(2-{4-[2,2-bis(ethoxycarbonyl)vinyl]phenoxy}-
1-methyleneethyl)silylene]-
co-[oxy(methyl)(2-(4-[2,2-bis(ethoxycarbonyl)vinyl]phenoxy)prop-1-enyl)silylene]
Other names
Parsol SLX
Identifiers
ChemSpider
  • none
UNII
Properties
Appearance colorless or pale yellow liquid
practically insoluble
Solubility in organic solvents of medium polarity soluble
Pharmacology
local
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Polysilicone-15 (INCI) is an organic compound used in hair products like shampoos, conditioners, hair sprays, pomades and color treatment products to absorb UVB radiation. In the EU, it is also approved for use in sunscreens and cosmetics. The absorption maximum is at about 310 nm. It is marketed as Parsol SLX by DSM.

The backbone chain is mainly composed of siloxane repeat units, and is of low molecular weight, so being classed as an oligomer.

References[edit]