Hair types are generally categorized into four groups: Straight (Type 1) – Hair falls flat from the roots to the ends, tends to be oily, and often lacks volume. Wavy (Type 2) – Hair has a slig ...

“These issues can cause thinning of the hair, contributing to aging hair loss.” Type 1 hair doesn’t have a natural curl. The individual strands may be fine or coarse, thick or thin, but they ...

Our tester Elena, who has type 1 hair with type 2 bonded hair extensions, recommends this shampoo for anyone with damaged or color-treated hair. However, we don’t recommend this duo as your ...