TABLE 1.

Selection Criteria

INCLUSION CRITERIA

Female, 20–45 years of age or male, 20–55 years of age

Stratified sample group into one of more following race/ethnicities

African American

Asian

Hispanic Caucasian

Non-Hispanic Caucasian

General good health

Self-perceived mild-to-moderate hair thinning

EXCLUSION CRITERIA

History of skin cancer within the past 5 years

Use of minoxidil, finasteride or oral supplements known to prevent or promote hair growth within the past 3 months

Diagnosis of a hair loss disorder

History of hair transplant

Severe hair loss

Brittle or damaged hair from chemical treatments and excessive tension

Use of devices, prescription or over-the-counter drugs that are known to affect the hair growth cycle within the past 6 months

Hormone replacement therapy or hormones for birth control less than 6 months prior to study

History of immunosuppression/immune deficiency disorder

Currently or regularly used systemic or topical corticosteroids during the previous 4 weeks.