Prev4 of 22Next CREDIT: AMAZON BEST BOAR BRISTLE HAIR BRUSH Beauty by Earth Boar Bristle Hair Brush Pros: Eco-friendly “I always recommend a natural bristle brush for straight hair types,” he adds. “The Boar Bristle Hair Brush seamlessly detangles most hair types, and its bristles help evenly distribute the scalp’s natural oils through the length of your hair.” Shop Now Prev4 of 22Next