SeraSilk® EL 81

INCI: Dimethiconol (and) Isododecane (and) Dimethicone/Vinyl Dimethicone Crosspolymer
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Product Features

  • EWG Green grade
  • Highly transparent appearance
  • Light, silky, non-greasy skin feel
  • <0.1% D4 and D5

Typical Properties

  • % Active content: 100
  • % Gel content: 16
  • Viscosity (25°C): 130,000cS
  • Flash Point: 14°C (dliuent)


  • Colour cosmetics
  • Skin creams & lotions
  • Cosmetic primers




SeraSilk® EL 81 is a mixture of a high molecular weight crosslinked silicone elastomer in dimethiconol and isododecane. The non-volatile dimethiconol gives excellent spreadability, whereas the volatile isododecane gives a non-tacky, dry, smooth feel.  SeraSilk® EL 81 is made from ingredients of EWG Green 1 grade.


SeraSilk® EL 81 has a transparent appearance because of the very low degree of crosslinking than other elastomer blends.  It remains crystal clear on dilution in low molecular weight silicones.  It contains <0.1% D4 and D5.


KCC Beauty silicone elastomer blends are strong mattifying agents and are ideal for use in colour cosmetics applications where their sebum absorbing properties offer a matte, smooth and non-greasy appearance. They have the ability to increase formulation oil phase viscosity and produce a dry, silky smooth skin feel.

Recommended usage level 1 – 90%, but highly dependent on application.