One of our favorite resources, The Long Hair Community, has posted an excellent list of silicones used in hair care products. There are a couple of technical inaccuracies here and there, but overall this is a very comprehensive list of what you’ll see on the ingredient lists of the products you buy. It’s a bit long, but we thought we’d reprint it here in it’s entirety for your reference. And it took a lot of time to compile this, so a BIG THANKS to the ladies at the Long Hair Community - it’s one of the best non toxic beauty blogs we’ve ever seen!

Silicone Ingredients Used In Hair Care Products

Amodimethicone- Trimethylsilylamodimethicone- A non-curable amine silicone fluid for hair care products and decorative cosmetics. Provides water resistance.

Amodimethicone (&) C11-15 Pareth-7 (&) Laureth-9 (&) Glycerin (&) Trideceth-12-
An amine functional micro-emulsion for clear, aqueous-based hair products.

Amodimethicone (&) Trideceth-12 (&) Cetrimonium Chloride- Cationic emulsion for hair conditioning.

Bisamino PEG/PPG-41/3 Aminoethyl PG-Propyl Dimethicone- Provides excellent hair conditioning without build-up. Ideal for use in products designed to treat colour, perm, sun and heat-damaged hair.

Bis-Phenylpropyl Dimethicone- A colourless silicone fluid with high RI, low viscosity and volatility, shine enhancement and luxurious feel.

C30-45 Alkyl Dimethicone- Superior compatibility with both silicones and organics. Can be used as a thickening agent which gives a unique silky skin feel.

Cetearyl Methicone- A soft, waxy material; excellent lubricity and spreadability.

Cetyl Dimethicone- Occlusive film forming for skin conditioners.

Cetyl PEG/PPG-15/15 Butyl Ether Dimethicone- A silicone emulsifier for use in the preparation of water-in-oil emulsions. Also offers good emulsification of paraffin oils and vegetable triglycerides.

Cyclomethicone (&) PEG/PPG-20/15 Dimethicone- For formulating water-in-oil emulsions, particularly water-in-silicone emulsions. Excellent aesthetics.

Cyclopentasiloxane- Cyclomethicone D5- Provides improved efficacy in antiperspirants and wet combing in hair conditioners.

Cyclopentasiloxane (&) C30-45 Alkyl Cetearyl Dimethicone Crosspolymer- Provides a unique feeling during rub-in followed by a soft powdery feel for an extended period. Ideal for cream to powder formulations.

Cyclopentasiloxane (&) Cyclohexasiloxane- Available in three different proportions offering low viscosity, a relatively high volatility and a cyclic structure.

Cyclopentasiloxane (&) Dimethicone- The basis for hair serums. Conditioning without build up.

Cyclopentasiloxane (&) Dimethicone/Vinyldimethicone Crosspolymer- An elastomer dispersion resulting in a smooth, highly viscous gel with a unique silky feel on application.

Cyclopentasiloxane (&) Dimethiconol- Provides a smooth, velvety feel without greasiness. Useful for skincare and hair conditioning.

Cyclopentasiloxane (&) Trimethylsiloxysilicate- Silicone resin blended with Cyclopentasiloxane. Provides water resistance.

Cyclotetrasiloxane- Cyclomethicone D4- A volatile silicone for improving skin feel in applications such as anti-perspirants.

DEA PG-Propyl PEG/PPG-18/21 Dimethicone- Enhances the performance of shampoos and conditioners with improved gloss, manageability and moisturizing properties.

Diisostearoyl Trimethylolpropane Siloxy Silicate- Highly substantive to skin, has good lubricity and spreadability. Compatible with organic oils and waxes.

Dimethicone Copolyol

Dimethicone (&) Laureth-4 (&) Laureth-23- Non-ionic silicone emulsion for 2-in-1 shampoos.

Dimethicone (&) Trimethylsiloxysilicate- Water resistant, non-tacky film, ideal for sun screens.

Dimethicone (from 1 to 1,000,000 cs)- The original silicone ‘oil’. A complete range is available from the highly mobile 1-20 cs, the popular 50-500 cs and the heavier 1,000-1,000,000 cs.

Dimethiconol (&) Sodium Dodecylbenzenesulphonate- An anionic emulsion for leave-in hair products. Disperses well in aqueous preparations and gives the hair good texture.

Diphenyl Dimethicone- A heat-resistant silicone with good film-forming properties. Used as a skin conditioning and anti foaming agent.

Disiloxane- Volatile replacement for ethanol in APs and aerosols.

Lauryl Methicone Copolyol

PCA Dimethicone- Functional over a broad pH range and offers excellent smoothing, conditioning and emolliency properties in many different applications.

PEG/PPG-20/15 Dimethicone- Previously referred to as Dimethicone Copolyol. A very versatile, water soluble polyether modified silicone for use in skin and hair products.

PEG-12 Dimethicone- Previously referred to as Dimethicone Copolyol. A very versatile, water soluble polyether modified silicone for use in skin and hair products.

Phenyl Trimethicone- A very popular high gloss silicone for spray-on hair products. Also provides emolliency and water repellency in skin care products.

Polysilicone-18 Cetyl Phosphate- Color-retaining conditioner for hair products. Also offers thermal protection and a slick, soft after-feel. Excellent solubility and compatibility with most surfactants.

Silicone Resin Spheres (2, 5 & 6 micron)- Fine, white spherical particles give slip and lubricity in pressed and loose powders.

Simethicone- A mixture of Dimethicone and hydrated silica, used as an antifoaming agent. Available in two grades.

Stearoxy Dimethicone

Stearyl Dimethicone

Trimethylsiloxysilicate- A solid silicone resin for decorative cosmetics. Provides water resistance.

Trisiloxane- Anti foaming and skin conditioning agent.

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