22 Hot New Beauty Launches You Need to Hoard This Fall

What it is: R+Co Skyline Dry Shampoo Powder ($36, available in September)

Why you need it: For times when you haven't washed your hair in three — or four — days (we won't judge!), this weightless powder gives an instant refresh. Plus, the innovative pump dispenser allows you to be more precise with your application, instead of having powder fall out everywhere.