... micro needle therapy, derma roller, C.I.T.(collagen induction therapy), and etc. D.R.T is a non-surgical skin rejuvenation treatment which ... and reduce pigmentation and improve the complexion.Head piece is a user-friendly, automated electronic, with rechargeable battery, which allows ... disposable,promising safety from infection It is economical in a long runHand-piece is semi-permanent, only part that ...