• GET SERIOUS WITH YOUR SERUM photo | Renee Zellweger

Credit: Jason Merritt/Getty

Published: Wednesday January 27, 2010 06:00 AM EST

2010

GET SERIOUS WITH YOUR SERUM

Keeping skin starved for vitamins is a recipe for premature aging. SkinCeuticals' famed products, whose celebrity devotees include Renée Zellweger, build up skin's barriers with cutting-edge anti-free-radical fighting science. Applying the brand's CE Ferulic before your moisturizer provides skin with eight times its natural protection against environmental damage with superpower ferulic acid, which doubles their potency of antioxidants C and E.