Dimethicone
OcclusiveAlso known as: Silicone, Polydimethylsiloxane, PDMS
A silicone-based polymer that creates a breathable, protective barrier on the skin surface. One of the most common ingredients in skincare and cosmetics.
Locks in moisture, smooths skin texture, protects skin barrier, non-comedogenic, creates smooth base for makeup, reduces transepidermal water loss.
Apply as part of moisturizer or primer. Creates a smooth, protective layer. Suitable for morning and evening use.
Extensive safety data. FDA-approved skin protectant. Studies confirm occlusive properties that reduce TEWL without completely blocking skin respiration.
Cautions
Generally well tolerated. Some individuals report clogged pores despite non-comedogenic classification. May create product buildup if not cleansed properly.
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