41. Bilayer graphene can be made by exfoliation from graphite or by chemical vapor deposition ( CVD ). 42. SELECTED SERVICES : " Lavender Relax " mineral oil exfoliation and massage ( $ 35 ). 43. Referred to as dissimilar-metal corrosion, this process can occur as exfoliation or as intergranular corrosion. 44. Clients going to a day spa get " skin enhancements, " which probably involves facials and exfoliation . 45. Since then, exfoliation procedures have been scaled up, and now companies sell graphene in large quantities. 46. Hardly, Wilson said : " On a geological time scale, ( exfoliation is ) fairly common. 47. It involves exfoliation of the whole body with sugar, as opposed to the more commonly used sea salt. 48. Self-tanners grab on to the surface skin cells, so exfoliation is key to a uniform appearance. 49. Rapid heating of graphite oxide and exfoliation yields highly dispersed carbon powder with a few percent of graphene flakes. 50. In most cases, the bark on younger trees is smooth, and the exfoliation occurs as they get older.