Leave-in hair conditioners are practically a necessity for summer. They are saviors after a dehydrating dunk in the ocean or pool and they help keep hair nourished in the heat, humidity and blazing sunshine. If you don't already have one, I think you'll really like at least one of these!

Kiehl's Leave - In Hair Conditioner With Panthenol and Coconut Oil, $30, is a delightful smelling conditioner that contains special sunscreens to detangle ...