What Makes Hair Shiny and Smooth | Expert Tips

Your hair’s moisture level is the difference between dull, damaged hair and shiny, smooth hair. Hair is shiny when the cuticle, the hair’s outer layer, is smooth. Light bounces off the smooth surface of the hair, leaving it looking shiny.
Shiny Hair | How to Get Shiny Hair | 8 Ways to Shine Hair

Shiny hair is hydrated hair. Based on over 35 years of salon experience, I can tell you that quick fixes claiming to leave your hair glossy and shiny may be tempting, but often, they leave hair feeling drier and more lacklustre. The truth is, for hair to be shiny, it must have moisture. If hair is dry, a shine spray or serum might give you a temporary gloss, but it won’t tackle the root cause of the problem. If you want shiny hair, it is time to get serious about moisture.