21. Bringing a shave brush across one's skin produces a mild exfoliation . 22. Milk ( deciduous ) teeth also become looser naturally just before their exfoliation . 23. In the last case mechanical exfoliation of hydrogenated top layers can be used. 24. :See Exfoliation ( cosmetology ) for our article. 25. Achieving single layers typically requires multiple exfoliation steps. 26. Scotch tape exfoliation from bulk crystals or by chemical vapor deposition ( CVD ). 27. The body exfoliation is complemented by the rain therapy, resulting in a healthy glow. 28. Graphite fluoride is a procursor for preparation of graphene fluoride by a liquid phase exfoliation . 29. These interactions lead to exfoliation into two-dimensional layers of single unit cell thickness. 30. The cause of this fracturing is a process known as " exfoliation ".
