Sunscreen compositions having synergistic combination of UV filters

摘要

The disclosure relates to sunscreen compositions having a synergistic combination of ultraviolet light (UV) filtering agents that provide a high sun protection factor (SPF). Compositions according to the disclosure have high SPF values without requiring high overall amounts of UV filtering agents. Furthermore, the disclosure relates to methods of using the described compositions for protecting keratinous substances such as skin and hair from UV radiation.

主权项

1. A sunscreen composition having a sun protection factor of 150 to 172 comprising the following combination of ultra violet filters: octocrylene, avobenzone, oxybenzone, octisalate, and homosalate, in the following ratios relative to avobenzone:
the ratio of octocrylene to avobenzone is 1.6:1.0 to 2.4:1.0, the ratio of oxybenzone to avobenzone 1.0:1.0 to 1.6:1.0, the ratio of octisalate to avobenzone is 0.8:1.0 to 1.3:1.0, and the ratio of homosalate to avobenzone is 2.8:1.0 to 4.3:1.