Many of the behaviors involved in looksmaxxing are also symptoms of eating disorders. Tanya Constantine/Tetra images via Getty Images Punishing regimens of facial exercises. Intentional starvation. Reshaping the jawline or cheekbones by smashing them with a hammer or chisel. These are some of the more extreme behaviors in a practice called looksmaxxing – an effort to maximize one’s looks at all costs – that’s attracting an enormous following of largely teenage boys and young men on social media.