Us has affiliate partnerships. We receive compensation when you click on a link and make a purchase. Learn more! When Jennifer Aniston and Reese Witherspoon’s hairstylist speaks up on a product he loves, we listen. The latest gadget to get Chris McMillan’s stamp of approval? The OO!Brush Detangling Hair Brush, a vibrating hairbrush that detangles, smooths and amplifies shine on all hair types. McMillan recently took to Instagram to share his love of the product: “scalp brushes that stimulate the scalp, that don’t hurt the scalp are very important.” Unlike your average detangling brush, the OO!brush actually does all of the work for you. It…