Easy to apply and remove, these hair gems lend a dazzling touch to concert and party looks. They're waterproof and applied effortlessly with a hair straightener, leaving no damage or residue behind. They should last for 3-10 days, through several shampoos and gentle brushing, eventually falling out on their own. Easy to apply and remove, these hair gems lend a dazzling touch to concert and party looks. They're waterproof and applied effortlessly with a hair straightener, leaving no damage or residue behind. They should last for 3-10 days, through several shampoos and gentle brushing, eventually falling out on their own. Located in Los Angeles, CA, INH (Insert Name Here) Hair was founded by girl-boss duo Shordynn (Sharon and Jordynn) in 2018. With a goal of creating the highest quality products for all the latest styles, their goal is to make everyone feel confident, no matter the occasion.