Efficacy of Microneedling With Topical Vitamin C in Treatment of Acne Scarring

The derma roller used (dermaroller MF8, MT dermaroller Beverly Hills, California USA) is a plastic device with a 12-cm handle that holds a drum-shaped cylinder at the end, similar to a small paint roller, 2 cm in diameter and 2 cm in width. The surface of the cylinder holds 192 titanium needles in eight rows. Each 0.25 mm in diameter and 1.5 mm length sterilized by UV/ Gamma rays.

The used vitamin C product was in the form of 17% concentration of L- Ascorbic Acid serum that was encapsulated in gelatinous capsules each contain 1 mg of the serum. The patient instructed to open one capsule and apply its serum content on the treatment area daily at night. This capsule form for topical application help to insure stability of the product and also insure use of equal dose in each application