Catalyst

Skin Deep - Sun Damage (13x17)

Air date: Sep 13, 2012

Stories: - Skin Deep: Dr Maryanne Demasi assesses the science behind minimally invasive treatments including Stem Cell Therapy, Botox and Laser Therapy. - Sun Damage: Surfing Scientist, Ruben Meerman examines the latest research into the safety of nanoparticles in sunscreens.