The Best Products For Your Hair This Summer #refinery29 http://www.refinery29.com/summer-hair-products#slide-9 Brown, Black, Red, Or Colorful Hair Whether you're natural or dyed, sulfates can be your worst enemy in the summer. Natural colors will see some serious frizz from 'em, and dyed gals will see their hues running straight down their shower drain. Instead, stock your bathroom with a sulfate-free shampoo.