Priscilla Valles is THE celebrity hair extensionist styling A-List clientele. Keratins are considered the “Rolls Royce” of hair extensions and part of our exclusive collection, Glam Seamless x Priscilla Valles. Sometimes referred to as ktips, keratin bonds, or keratin fusion; if you are looking for the best of the best, Keratins are it. Made with high-quality hair that is thicker per strand than any other brand and can be reused with a new bond.