Good Hair Days Are Ahead With These Products Hitting Stores in 2021

In January, the bestselling UK-based dry shampoo brand Colab is launching an innovative formula called the Overnight Renew Dry Shampoo ($6). Unlike most formulas that are meant to be used during the day, this one absorbs oil from hair while you sleep (but without leaving any residue on your pillow) so you can wake up with refreshed hair.