February 2026 in “Cureus” Two methods reliably measure scalp area and hair count.
33 citations
,
April 2005 in “British Journal of Dermatology” Aging alone barely affects the number of hair follicles, meaning hair loss is minimal without other conditions like androgenetic alopecia.
37 citations
,
January 2013 in “Postepy Dermatologii I Alergologii” Isotretinoin effectively reduces acne but causes dry skin, higher skin pH, more redness, and hair loss.
16 citations
,
November 2011 in “PubMed” The treatment improved hair growth in people with male pattern baldness.
15 citations
,
January 2017 in “JAMA Dermatology” Topical minoxidil improves female pattern hair loss, finasteride not effective, laser devices show mixed results.