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The Truth About Facial Serums

How to Apply Serums

Adding a serum to your daily beauty routine? Here's how to apply these lightweight elixirs for maximum effect.

1.  After cleansing your face, apply a pea-sized amount of serum, patting it evenly over skin with your finger.

2. If you have sensitive skin, wait 10 to 15 minutes after washing your face before using serum. "When your skin is damp, applying a water-based product is more likely to lead to irritation," says dermatologist Wu. "Allowing your skin to dry completely slows down penetration."

3. You don't need to skip the moisturizer you love. Just pat on your serum first, so it isn't blocked from penetrating your skin. 

4. Is your serum too pricey for twice-a-day use? Borrow this trick from cosmetic chemist Wilson. Use the serum as a booster either a.m. or p.m., adding a couple of drops to your moisturizer.

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