Methyl Trimethicone

Methyl Trimethicone 1
Synthetic
Solvent
Skin Conditioner
Hair Care
Not Clean
1,1,1,3,5,5,5-Heptamethyl-3-(trimethylsilyloxy)trisiloxane
CAS #
17928-28-8
Functions
HAIR CONDITIONING
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
SKIN CONDITIONING
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
SOLVENT
Dissolves other ingredients so they distribute evenly in the formula. Often the invisible "base" everything else is mixed into.
Verified Jun 2026
Data: CosIng