C30-45 Alkyl Methicone ●
TL;DR. This ingredient functions as a waxy film-former, thickener, and texture modifier, especially in anhydrous color cosmetics, sticks, balms, and hair products. It adds slip, water resistance, and a structured feel without heavy greasiness.
What does C30-45 Alkyl Methicone do in a cosmetic formula?
This ingredient functions as a waxy film-former, thickener, and texture modifier, especially in anhydrous color cosmetics, sticks, balms, and hair products. It adds slip, water resistance, and a structured feel without heavy greasiness.
Is C30-45 Alkyl Methicone clean?
From a clean-beauty perspective, it has low expected irritation and sensitization, but it has friction because it is a persistent synthetic polymer. Many stricter clean standards classify materials like this as misaligned with their biodegradability and sourcing criteria.
Is C30-45 Alkyl Methicone sustainable?
This material is synthetic and mineral or petrochemical derived rather than renewable. It is not considered readily biodegradable, and its environmental profile is limited by persistence after rinse-off or disposal.
Is C30-45 Alkyl Methicone COSMOS-approved?
It is not permitted under COSMOS-natural or COSMOS-organic standards. Its Green Chemistry fit is weak because it relies on synthetic polymer chemistry, nonrenewable feedstocks, and limited biodegradability, even though it is chemically stable and used at modest levels.
How does C30-45 Alkyl Methicone work chemically?
The molecule has a silicon-oxygen backbone with methyl groups and long C30 to C45 hydrocarbon side chains, giving it a solid or wax-like, highly hydrophobic character. It is typically used in the oil phase, is broadly pH-inert, heat-stable under normal processing, and oxidation-resistant compared with many natural waxes and oils.
Last updated 2026-05-16