We rounded up the best of the best from Instagram and here are 21 hair hacks that every girl should know. We've got tricks for growth, shine, curl, and more. Plus most of them are pretty easy to do! Hair Hacks, Easy Curls, Hair Tutorials For Medium Hair, Cute Hairstyles For Medium Hair, Hairstyles For Thin Hair, Thick Hair Styles, Summer Hairstyles For Medium Hair, Curly Hair Styles, Braids For Short Hair