50 Best Skin-Care Tips of All Time
Mix in Sunscreen
If your favorite day cream doesn't contain sunscreen, mix it with a lightweight SPF lotion like Dermalogica Solar Defense Booster SPF 30 ($43; at dermalogica.com). Look for micronized zinc, Avobenzone, or Helioplex, says N.Y.C. dermatologist Rosemarie Ingleton. They offer broad-spectrum protection without leaving a purple or whitish cast.