After 4000 Hours of Testing, InStyle Editors Named 12 Face Serums That Deliver Real Results

Applying face serum correctly is essential to maximize its benefits. Here are some effective ways to apply face serum: Cleanse your face: Start by washing your face with a gentle cleanser to remove any dirt, oil, or makeup residue. Pat your skin dry with a clean towel. Perform a patch test: If you're using a new serum, it's a good idea to perform a patch test on a small area of your skin to check for any adverse reactions before applying it to your entire face. Determine the right amount: Typica

We tested all sorts of hydrating serums. The best was a $22 drugstore product | CNN Underscored