... 5.CE approval microdermabrasion 2 in 1 diamond crystal peel machine dermabrasion Specification:1. Negative pressure : Max. -0.8 ... increase skin elasticity.4 Have good effect in curing the following problems:The cutisthick horniness, lackluster, pigment uneven, crinkles ... , lack of elasticity, sunburn skin.The middle cortexconcavo-convex holes, acne, lipid granule, dark-sore ...