Perfluorocarbon gel formulations

593357 Disclosed is a perfluorocarbon gel composition comprising 10-90 percent perfluoro(tert-butylcyclohexane), 1-5 percent surfactants and 8-70 percent water relative to the total weight of the gel. Also disclosed is a process of manufacturing the perfluorocarbon gel composition and also the use of the perfluoro tert-butylcyclohexane composition in the manufacture of a composition for the increasing the firmness of the skin or reducing the appearance of fine lines, wrinkles or scars in a subject or for use in treating a wound, a burn injury or rosacea, acne, or reducing acne scarring, reducing Propionibacterium acnes infection of a skin follicle, reducing Propionibacterium acnes proliferation in the dermis of a subject, preventing acne in a subject, or killing Propionibacterium acnes on or in the skin of a subject.