Why it's worth it: If you don't have time to sit in the sun all day waiting for your hair to lighten, the good news is that the John Frieda Go Blonder Lightening Spray is designed to be used with ...

This was the era of Sun In, a spray-in hair lightener whose bleach-free formula uses lemon juice to create beachy highlights (not to mention spending entire summers laying out for a deep tan).