Hairstyles by Face Shape. If you have straight or wavy hair Since straight and wavy hair falls closer to the face on oval shapes, you can view the edge of layers as a way to spotlight specific areas of the face. Use our guide to get the best haircut to flatter your face. Still stumped as to what hairstyles flatter your oval face. 7 Hairstyles for Oval-Shaped Faces. Hair & Beauty / 7 Hairstyles for Oval-Shaped Faces. If you were born with an oval face, consider yourself a lucky girl.