A dermatologist weighs in on one of the serum's main ingredients, peptide Argireline — and explains how it works.

Retinol is a powerful skincare ingredient—known to reduce the appearance of lines, improve texture and decrease dark spots.

Your guide to the best anti-chafing creams, powders and other products to treat and prevent chafing, recommended by ...

If someone asked you to name the top fast-food hamburger chains, the list might look something like this, McDonald's, Burger ...