Summer can be the best of times and the worst of times for curly hair. It can energize your curl pattern and take volume to new heights, but it can also cause coils to unfurl, leading to a loss of definition. Add in the drying effects of the sun’s UVA and UVB rays, chlorine, salt water, high heat and humidity, and hair is zapped of its essential moisture. Read on for pro curl-defining tips that will help you keep hair healthy and hydrated all summer long.