Howcast - Learn the secrets of people with perfect skin from dermatologist Elissa Lunder in this Howcast skin care video.

Howcast - Learn the difference between UVA rays and UVB rays from licensed esthetician Joanna Vargas in this Howcast video.

Howcast - Learn if tanning beds are safe from licensed esthetician Joanna Vargas in this Howcast video.

Howcast - Learn the truth about so-called base tans from licensed esthetician Joanna Vargas in this Howcast video.

Howcast - Learn the top three ways to take care of your skin on a beach vacation from licensed esthetician Joanna Vargas in this Howcast video.

In this video, Jonathan from the Institute of Human Anatomy discuss the anatomy of skin pigmentation, and how it can vary across the body.