How was this Italian Renaissance hairstyle created, and please tell me about the personal hygiene of those ppl

Question

http://www.asmilan.org/teachers/kwheatley/pictures/WHII/duke_of_urbino.jpg

Help? Also, this is from the 15th century I think, so could you please tell me about their personal hygiene habits and anything interesting from the renaissance time? Thanks

Answer 1

http://www.mfgraffix.com/hird/faoilt/style1.html

http://www.twingroves.district96.k12.il.us/Renaissance/Hospital/Hygiene.html