What is the fine-grained topic of the following text: Fenix has earned its title as a dermatologist endorsed brand by living up to the mission to create, “A Foundation for Great Skin.” Working with a bottom up approach to skin care, Fenix created a skincare line recommended by top dermatologists at the University of California, Irvine’s dermatology department. Only return the topic.
Fenix's dermatologist-endorsed skincare line.