Eyebrow Growth Pattern Analysis in Patients with Eyebrow Hypotrichosis After Receiving Topical Treatment: A Retrospective Study

This retrospective study analyzed the effects of a 24-week topical bimatoprost 0.01% treatment on eyebrow growth patterns in 48 patients with eyebrow hypotrichosis. The study found that the tail of the eyebrow had the lowest baseline density and diameter, with significant improvements in density and diameter observed at 4 and 16 weeks, respectively. The head and body of the eyebrow exhibited similar growth patterns. The findings confirmed that hair density, diameter, and growth cycles vary by anatomical location within the eyebrow, which could help in developing standardized treatment protocols for eyebrow hypotrichosis.