The instant disclosure relates to sunscreen compositions. The sunscreen compositions include (a) at least one UV filter (b) at least one booster, (c) at least one thermosensitive polymer, and (d) at least one wetting agent. Sunscreen compositions comprising components (a)-(d) exhibit a surprisingly high sun protection factor (SPF). The disclosure further relates to methods of using the sunscreen compositions for protecting keratinous substances such as skin and hair from UV radiation.
