Giovanni Marinello was a prominent Physician and Gynecologist in 16th century Italy. He practiced in Venice and was a pioneer in medical research. He was a renaissance man, known for his multiple interests including developing diets and weight loss plans. In 1562, Marinello published a book entitled, "The Beautification of the Ladies", where he described what is now known as the "Introduction to Cosmetology," the book included recipes on bleaching and coloring hair.
"Take the dried dregs of white wine and chop them into olive oil. Comb this through your hair while sitting in the sun."
(Recipe for bleaching hair by Giovanni Marinello, 1562, "Gli ornamenti delle donne," quoted in "Lives of the Courtesans" by Lynne Lawner.)