15 citations
,
September 1999 in “British Journal of Dermatology”
This study found that epimorphin is closely linked to developing hair follicles in human fetuses, suggesting it plays a significant role in hair follicle morphogenesis.
9 citations
,
March 1987 in “British Journal of Dermatology”
This study found that epidermal growth factor and fibroblast growth factor accelerated proliferation of human hairbulb papilla cells and root sheath fibroblasts cultured in vitro.
September 2017 in “Asian Journal of Beauty and Cosmetology”
This review discusses recent evidence on the Notch signaling pathway's role in regulating hair follicle development and stem cell differentiation, but provides no new research findings.
39 citations
,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology”
This study found that daily injections of basic and acidic fibroblast growth factor in newborn mice significantly delayed hair follicle development within the treatment area, while epidermal growth factor affected the entire body coat and caused skin hyperkeratinization.
5 citations
,
January 2001 in “Journal of dermatological science”
In this study, researchers found that the G(S)alpha subunit is strongly expressed in neonatal mouse hair follicles, indicating it may play a role in initiating follicle growth.
The user reports significant hair regrowth after 200 days using dutasteride and minoxidil, attributing changes to hair dye. Others doubt the authenticity and discuss treatment effectiveness and side effects.
Stopping finasteride and minoxidil can cause significant hair shedding, so they should be continued indefinitely. Concerns about finasteride affecting fertility or causing birth defects are mostly unfounded, but some stop for personal reasons.
Microneedling with minoxidil significantly boosts hair growth, even for non-responders to minoxidil alone. The routine includes a 1.5mm dermaroller weekly and minoxidil twice daily, with some users adding finasteride and tretinoin.
A 26-year-old male has been using finasteride for 4.5 years to maintain hair and recently started taking dutasteride weekly due to increased hair shedding. He plans to gradually switch to dutasteride while monitoring side effects and hair changes.
Hair loss without a white bulb may indicate mechanical damage, anagen effluvium, alopecia areata, or traction alopecia. Seeking a specialist is recommended, but access can be difficult in smaller areas.