Pull your hair back and look at your face in a mirror
Trace the outline of your face with a washable marker or lipstick
Measure the forehead width at its widest point
Measure the cheekbone width at the widest point
Measure the jawline width from chin to the angle of the jaw on both sides
Measure the face length from hairline to chin
Compare the measurements
Oval: face length is longer than cheekbones, and forehead is slightly wider than jawline
Round: face length and cheekbone width are similar, with softer jawline and wider cheeks
Square: forehead, cheekbones, and jawline are similar in width, with a strong jawline
Heart: forehead is wider than cheekbones and jawline, with a narrower chin
Diamond: cheekbones are widest, with a narrower forehead and jawline
Rectangle: face length is longer than width, with similar forehead, cheekbone, and jawline widths
Triangle: jawline is wider than forehead, with a narrower forehead and wider lower face
Inverted triangle: forehead is wider than jawline, with a narrower chin
Use a face shape chart to match your measurements
Take a front-facing photo and compare the outline to common face shapes