Extreme Beauty Practices

Came close enough with my first one.

If you’re looking for others:

Berber women in Northern Africa tattoo their faces.

Head binding was also practised in mediaeval Central Asia by the Alans and Bulgars.

In Bali the points of the canine teeth are filed flat.
If you don’t mind getting too political, you should probably mention Female Genital Mutilation and male circumcision rituals.