Zinc supplement is a popular trace element gave to Female pattern hair loss (FPHL) patient. But the type of patient, efficacy, and side effect in detail of zinc supplement are not well characterized. The purpose of this study is to determine efficacy and side effect of chelated zinc in FPHL who using 5%minoxidil solution.

5%minoxidil solution is standard treatment for Female pattern hair loss (FPHL) patient. We gave 15mg chelate Zinc / Placebo drug to patient as an additional trace element. Then measure growth of hair by Global photograph, Microscope hair count, micrometer and record case and side effect during 10 months of treatment.

Inclusion Criteria:

• Female Pattern Hair Loss ( Ludwig classification grade 1 and 2 )

Exclusion Criteria:

• Underlying disease ; Anemia, Diabetes, chronic alcoholism, previous gastrointestinal surgery, short bowel syndrome, Crohn's disease, digestive disorder, hypo/hyperthyroidism, sickle cell disease, autoimmune disease, iron deficiency
• Psychologic disorder trichotillomania
• Diet control
• Pregnancy or lactation
• On supplement diet within 3 month prior to trial