Shampoo brand with a "sassy" name (4)

I believe the answer is:

pert

(Other definitions for pert that I've seen before include "Jaunty" , "Saucy, lively" , "Saucy and chipper" , "Impudent, cheeky" , "It's fresh" .)

I've seen this clue in The New York Times.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.