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A pressure-sensitive adhesive made from polydimethylsiloxane resins; common in transdermal patches and ostomy products.

Fully synthetic; halal. No animal inputs in pharma-grade material.

A synthetic, fully petroleum-derived polymer used as the pressure-sensitive adhesive in many transdermal patches and as a chewing-gum base.

Fully synthetic with no animal inputs in standard pharmaceutical-grade material; halal.