Viral video aims to save lives with ‘Dear 16-Year-Old Me’ campaign

'Tis the season for many wonderful things. For most of us, SPF is not one of them.

BuzzFeed recently posted last spring's viral public service announcements as a poignant reminder to take sun protection seriously year round.

One PSA is Dear 16-Year-Old Me, David Cornfield Melanoma Fund's video project compiling letters to self filled with both regret and hope. It became one of 2011's top viral videos: this is how you successfully market a health issue to the online community.

Watch the fund's video below.

If you're heading to a sunny beach this winter, learn from the mistakes of brave skin cancer survivors and please slather on the sunscreen and cover up.