Josh Holloway, who plays Sawyer on ABC's hit Lost, swears by Shiseido's sunblock. The actor lives in Hawaii while shooting the series and applies the Extra Smooth SPF 33 three to four times a day while shooting. And if this dude, known for motorbiking around Oahu, can reapply then so can you. And for more tips and suggested sunscreens, check out our SPF guide: Saving Face.

Shiseido Suncare Extra Smooth Sun Protection, $29 at Nordstrom.

• Holloway appeared in Aerosmith's Cryin' video with Alicia Silverstone.