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Click through for expert tips from wave master Damian Santiago, co-owner of Mizu New York Salon.

The key to using a curling iron to make waves, says Santiago, is to approach it casually—you don't want perfect curls. Holding the iron vertically, loosely wind strands around it until you reach the center of the hair shaft, leaving out the ends. Finish with a texturizing spray.

If you have coarse or naturally curly hair, smooth it out with a blow dryer or flat iron before styling.

Creating waves in fine, layered hair is as easy as a spritz of product and tying hair into a bun. When you take it out, add texturizing spray and you're good to go.
Get a perm! Seriously—when done right, perms can create gorgeous, lived-in waves. Plus, because waves are softer than curls, the treatment looks good as it grows out. Santiago says some of his clients only need to come in once a year to get it redone.