The 23 Coolest Haircuts to Try This Summer

glamour.com:

3D moniker—Smith recommends a specific technique. “Using a strong-hold gel or balm to define the curls will initially create a crunchy ‘cast,’ but this should be encouraged and left alone until the hair is 100% dry,” he says. “You then ‘break the cast’ of the curls by gently massaging—never run your fingers through the curls or be tempted to brush them.

3D curls look best when they are glossy and shiny, so choose products that have a moisturizing factor as well as strong holding ability, and consider finishing with a shine spray or gently scrunching through a few drops of shine serum.

Remember, curly hair can handle much more product than straight-hair types, so don’t be afraid to to give definition and shine.”Want a fresh look but love your length?

Long, soft layers are what you're looking for. “I love long layers to add a little interest to clients's beloved long hair,” says , a stylist at Maxine Salon in Chicago. “It gets rid of the flat triangular shape adding texture and volume without having to get rid of any length.