Hair Style Man Back Side . From the wavy undercut of the mid-seventies, to the hottest bun style with sides clean shaved, in this era of hairstyle revolution, you can have a choice of an array of shaved sides hairstyles men. With a modern slicked back haircut, guys combine a low or high fade with long hair on top to create a stylish and cool hairstyle. 10 New Back Hairstyles for Men | Mens Hairstyles 2018 (Gregory Blair) This product is made of keratin, which is the same as the one containing in real hair. Men's Short Hairstyle Tips & Tricks Adam Walmsley. Blow back the hair using the product and keep it as it is for a while. Slicked back wavy haircuts look great with a fade or undercut on the sides and short, medium or long hair on top. "You can always go shorter, but you cannot put it back," she says. And like many other classic hairstyles, the slick back haircut has reemerged to become a cool modern style for men. ...