The 5 Best New Hairstyling Products—and Their Humble Origins

Then

Hans Schwarzkopf, a German chemist, started selling single-use packets of powder shampoo in Berlin in 1903. The "dry shampoo" had to be dissolved in water and rinsed out but was easier to deal with than the bar soaps and oils women had been using to wash their hair.

Now

John Frieda Luxurious Volume Anytime Volume Refresher ($6.50, drugstores) doesn't need water, so you can freshen your hair the day after a blow-out without ruining your style. This formula is translucent—no white, powdery residue—and comes in a spray for easy application.