As the temperatures rise, out come the sleeveless and spaghetti strap tops and dresses for the summer. Which means for most of us, it’s time to start shaving those pits more often than once a week again (one of the few reasons we’ll miss you, sweater weather).

While shaving your underarms is an easy (if annoying) task, many women complain of having itchy, bumpy ingrown hairs afterwards. It makes sense: All that razor action, plus the inevitable dampness and rubbing you experience on a hot summer day, is a recipe for ingrown hair heaven.

Recently, we sat down with NYC-based dermatologist Dr. Ellen Marmur and found out how to care for the skin in our pits and how to prevent ingrown hairs there. Learn more after the jump!