Thirsty: Dimethicone

TL;DR. This ingredient is a non-volatile conditioning and film-forming polymer used to add slip, reduce tack, improve spread, and create a smooth protective feel on skin or hair.

What does Thirsty: Dimethicone do in a cosmetic formula?

This ingredient is a non-volatile conditioning and film-forming polymer used to add slip, reduce tack, improve spread, and create a smooth protective feel on skin or hair.

Is Thirsty: Dimethicone clean?

From a clean-beauty perspective, it is generally low-irritation and non-sensitizing, but it has significant restricted-list friction because many standards do not accept persistent synthetic polymers.

Is Thirsty: Dimethicone sustainable?

This material is made from mineral silicon inputs plus fossil-derived methyl chemistry in conventional supply chains. It is not readily biodegradable and can persist through wastewater treatment, with residues partitioning into sludge and sediments.

Is Thirsty: Dimethicone COSMOS-approved?

It is not permitted under COSMOS-natural or COSMOS-organic standards. Its profile is weak against Green Chemistry preferences because it relies on non-renewable inputs and shows limited biodegradability despite good user safety.

How does Thirsty: Dimethicone work chemically?

The molecule is a methyl-substituted silicon-oxygen polymer whose performance depends on chain length and viscosity, from light fluids to heavier film formers. Typical use is about 0.5 to 5% in skin care and 1 to 10% in hair care, and it is highly pH-stable, oxidation-resistant, hydrophobic, and usually needs emulsifiers or pre-dispersed formats for water-based formulas.

Last updated 2026-05-15