A Chinese family had a child with a specific gene mutation causing vitamin D-resistant rickets, but the child improved with calcium and low-dose calcitriol.
Hair loss theory suggests imbalance between Vitamin D Receptor (VDR) and Androgen Receptor (AR) activation. Proposed treatment includes upregulating VDR, downregulating AR, and improving mitochondrial health.
A 24-year-old person who is worried about their hair loss after 14 months of taking finasteride and 11 months of minoxidil. Replies to the post suggested sticking with their current regimen, that shedding from one part may not be telogen effluvium, and that shedding is normal with these drugs and they should evaluate in two to three months.
The conversation discusses using topical Calcipotriol and Valproic Acid for hair loss, focusing on their mechanisms involving the VDR receptor and Wnt/beta-catenin pathway. Specific treatments mentioned are Minoxidil, Finasteride, and RU58841.
Topical Vitamin D3 may stimulate hair growth and has been used for Alopecia Areata. There is a question about the lack of research on its use for Androgenetic Alopecia (AGA).