Henna Heals is a global community of artists that tattoos temporary “henna crowns” on patients' bald heads, as a form of empowerment. Complete hair loss is one of the most common side effects of chemotherapy. Patients often turn to wigs, hats, and scarves to cover their heads, but now there’s a new alternative.

http://www.medicaldaily.com/overcoming-cancer-henna-heals-global-artist-community-empowers-patients-temporary-head-tattoos