US Patent No. 10,525,002 B2 (James Gallas, Nava Dayan); Photoprotective Technologies, Inc., San Antonio, TX, has patented a composition comprising a melanin derivative having a high HEV absorption and a low absorption of red light, a ratio of optical density at 440nm to optical density at 600nm of 10 or greater, and a molecular weight of 500 to about 10,000 Daltons; and a cosmetically acceptable carrier for applying it topically to skin....