To create a slimming effect to a round face some volume at the top is necessary. Layered in a shaggy style at the crown and longer than the chin, will add length to your face. Spiky hair is unfortunately not suitable for a round face. Although each season brings new variations, the bob is truly a timeless hairstyle. Straight hair with fine to medium texture looks great in a bob. Flattering for oval and heart shaped faces, people with round or square faces should rather think twice.
A style that is slightly longer than the chin, shaped and softened around the edges, flatters a square face. This gives the illusion of length to your face. Hair should not be cut shorter than, or in line with the chin, as this would make the face appear squarer. Avoid center partings and straight bangs. For someone with a heart shaped face balance between the forehead and chin is very important. Layered hair shaped along the face near the chin, thick at the bottom and with layered bangs will provide fullness where needed. Straight styles, which cling to the face, would accentuate the narrow jaw line and is not recommended.