Sure, Gisele Bündchen may emerge from the ocean with perfectly tousled locks, but for most of us, "effortless" beach waves require a texturizing spray, some sort of curling iron, and 30 minutes (or more) of styling—at the minimum. The good news is, that actually doesn't have to be the case. In the video above, celebrity hairstylist Ashley Streicher demonstrates how to get perfectly rumpled tresses sans heat. Sound too good to be true? Trust us: After experimenting with the tutorial firsthand, we can report that our hair fell into gorgeous, natural-looking waves. Needless to say, we've found our go-to summer hairstyle. For Streicher's step-by-step instructions on how to get wavy hair without a curling iron, watch above.