Minoxidil: A topical solution or foam (commonly 2% or 5%) clinically proven to stimulate hair follicles, prolong the growth phase, and help with hair regrowth.
Dermaroller: A handheld tool with tiny needles (usually 0.25 mm–1.0 mm) that create micro-punctures in the skin, boosting blood flow and enhancing absorption of topical products like minoxidil.