Specification available: 0.2, 0.3, 0.5, 0.75, 1.0, 1.5, 2.0, 2.5, 3.0 mm Product included: Case, Roller and External Paper Box ... treatment.Key PointsThere are no known negative side-effects Only 3-5 days protection from ultraviolet light. Collagen induction through controlled ... the skin around the cuticle,the effect is very reliable. 3.)Cure the alopecia,home care, effectively convey nutrition. Use ...