Rating Ingredient
Good

acrylates/dimethicone copolymer

A silicone-enhanced film-forming agent. Also functions as a binding agent so products adhere better...

Good

bis-PEG-18 methyl ether dimethyl silane

A synthetic wax-like skin conditioning agent and surfactant belonging to the chemical class of siloxanes and silicones.

Good

bis-phenylpropyl dimethicone

A synthetic, silicone-based polymer that functions as an emollient, texture enhancer, and conditioning agent in haircare and skin care products.

Good

amodimethicone

Good

caprylyl methicone

A synthetic or plant-derived silicone polymer that conditions skin and provides a permeable barrier that helps prevent moisture loss.

Categories: Silicones, Emollients
Good

cetyl dimethicone

A silicone polymer that plays multiple roles in cosmetics. It can be a foam-reducing agent, emollient, emulsifier, and occlusive (meaning it prevents water loss but does not suffocate skin).

Categories: Silicones
Good

cetyl dimethicone copolyol

Categories: Silicones, Emollients
Good

cetyl PEG/PPG-10/1-dimethicone

Silicone that functions as a skin-conditioning agent and emulsifier.

Good

dimethicone

An emollient silicone known for its permeable (think breathable) barrier that helps skin retain hydration. It has a uniquely silky, non-greasy feel.

Good

dimethicone copolyol

Categories: Silicones, Emollients
Good

dimethicone crosspolymer

A silicone derivative used as a stabilizing and suspending agent or as a thickener in skin care products.

Good

dimethicone/PEG-10/15 crosspolymer

A mixture of the silicone dimethicone with PEG-10 and PEG-15.

Categories: Silicones, Emollients
Good

dimethicone/vinyl dimethicone crosspolymer

A silicone powder that gives cosmetics products a silky feel and has some oil absorption properties.

Good

dimethiconol

Categories: Silicones, Emollients
Good

isopropyl titanium triisostearte/triethoxycaprylylsilane crosspolymer

A synthetic, silicone-enhanced polymer that occurs from combining isopropyl titanium triisostearate...

Good

PEG-10 dimethicone

A synthetic blend of polyethylene glycol and skin-protecting silicone that conditions skin and hair.

Good

PEG-10 dimethicone/vinyl dimethicone crosspolymer

A synthetic, silicone-enhanced polymer that helps products adhere…

Good

PEG-12 dimethicone

A silicone blend of skin-protective dimethicone and a lightweight polyethylene glycol. It functions as a hair and skin-conditioning agent.

Good

PEG/PPG-18/18 dimethicone

PEG stands for polyethylene glycol; PPG stands for polypropylene glycol.

Good

PEG/PPG-20/15 dimethicone

PEG stands for polyethylene glycol; PPG stands for polypropylene glycol.

Good

phenyl trimethicone

In skin care, it contributes to a product’s silky texture and feel on skin. In hair care, it conditions and increases luster.

Categories: Silicones, Emollients
Good

methicone

One of the simpler silicones due to its less complex molecular structure. It helps give skin products a silky feel and helps skin retain moisture.

Good

methyl trimethicone

Good

methylsilanol mannuronate

Good

methylsilanol PEG-7 glyceryl cocoate

A glyceryl ester used as an emollient and texture enhancer in cosmetics.

Good

polymethylsilsesquioxane

A silicone derivative that serves as a skin conditioning agent and moisturizer in cosmetics.

Good

polysilicone-11

A specialized, synthetic cross-linked siloxane (a type of silicone) that functions as a film-forming agent.

Good

stearyl dimethicone

Stearyl dimethicone is a synthetic skin-conditioning agent that's a siloxane polymer...

Categories: Silicones, Slip Agents
Good

stearyl methicone

Silicone polymer used as a skin-conditioning or occlusive agent.

Good

silica dimethyl silylate

Used as a slip and suspending agent.

Categories: Silicones, Slip Agents
Good

silicone

Substance derived from silica (sand is a silica). The unique fluid properties of silicone give it a...

Good

siloxane

Good

simethicone

Mixture of dimethicone with silica; related to silicones, but used as an antifoaming agent.

Categories: Silicones, Slip Agents
Good

triethoxycaprylylsilane

Silicone that functions as a binding agent and emulsifier. 

Categories: Silicones, Slip Agents
Good

triethoxycaprylylsilane crosspolymer

A silicone polymer used to enhance a product's texture.

Good

trimethylsiloxysilicate

Used as a skin-softening and occlusive agent.

Good

vinyl dimethicone/methicone silsesquioxane crosspolymer

A blend of silicone polymers that functions as a thickening agent and texture enhancer. Typically used in amounts between 0.1–20%, with amounts up to 0.6% common in rinse-off products.

Good

diisostearoyl trimethylolpropane siloxy silicate

Emollient in the silicone family.

Categories: Silicones, Emollients

About the Experts

Paula Begoun is the best-selling author of 20 books about skincare and makeup. She is known worldwide as The Cosmetics Cop and creator of Paula’s Choice Skincare. Paula’s expertise has led to hundreds of appearances on national and international radio, print, and television including:

The Paula's Choice Research Team is dedicated to busting beauty myths and providing expert advice that solves your skincare frustrations so you can have the best skin of your life!