What is a Hair Tonic?: A Deep Dive Into Hair Care’s Best Kept Secret
What is a Hair Tonic? Hair tonic has been a cornerstone of hair care routines for generations, although its popularity has waxed and waned over the decades. Most commonly seen on the shelves of old-school barbershops, hair tonic – also known as friction lotion – is a liquid, or sometimes a semi-liquid product designed to […]