Dimethicone
Polydimethylsiloxane (PDMS)
Dimethicone is a silicone polymer that forms a thin film. It improves slip and can reduce water loss from a formula. The cited study measured protection against a parasite, not cosmetic moisturization.
Dimethicone barrier cream prevents infection of human skin by schistosome cercariae: evidence from Franz cell studies.
Franz-cell study with human skin · 2002
The study measured protection against a parasite, not cosmetic moisturization or barrier repair.
Read referenceIngredient studies do not establish finished-product efficacy.

















