BASF offers a number of film formers and plasticizers for topical formulations enabling you to create the ideal skin delivery solution for your topical polymeric film formulation.
Topical Polymeric Films
Topical dermatological formulations that form intact films on the skin surface, after application, have several possible advantages: (1) They can hold APIs on the skin surface at the site of efficacy for longer periods of time by resisting rub off or wash off, (2) They can provided added protection to the skin by providing a physical barrier to dirt, microorganisms, toxins, etc. (3) They can create a reservoir on the surface of the skin, from which API is released in a controlled fashion. (4) They can prevent the transfer of excipients and APIs from the skin surface to clothing, other people, pets, etc.
Functional excipients for topical polymeric films include: