60 citations
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May 2014 in “British Journal of Dermatology” This study found that caffeine enhanced hair growth and keratinocyte proliferation in human hair follicles, with female follicles showing greater sensitivity than male ones.
January 2020 in “Journal of Cosmetics, Dermatological Sciences and Applications” In a 3-month study, over 90% of healthy women experiencing self-perceived hair thinning reported that the nutritional supplement DEEPLY ROOTED improved their hair growth, volume, and quality, without significant adverse effects.
January 2020 in “Journal of Clinical Dermatology” This study found that oral dutasteride significantly increased hair density but not thickness in women with female-pattern hair loss, and identified a mechanism involving β-catenin activation.
10 citations
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September 2020 in “Archives of Dermatological Research” Both methods improve hair density and thickness; double-spin may be more effective.
April 2026 in “Journal of Dermatological Treatment” This study concluded that in female pattern hair loss patients, CGF and i-PRF treatments were more effective than PRP in increasing target area hair count, with i-PRF having the lowest adverse event rate.