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Research

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research Segmental analysis of human hair reveals intra-annual variation in 25(OH)D3 concentrations in modern and archaeological individuals

January 2025 in “Scientific Reports”

This study explored 25-hydroxyvitamin D3 levels in hair samples from participants in Aberdeen and suggested potential links between hair vitamin D levels, seasonal UVB exposure, and marine diet in both modern and archaeological contexts.

research Vitamin D Status Assessment: Lack of Correlation between Serum and Hair 25-Hydroxycholecalciferol Levels in Healthy Young Adults

2 citations , May 2022 in “Diagnostics”

This study confirmed that 25(OH)D3 can be detected in hair samples from healthy young adults, but no correlation was found between hair and serum 25(OH)D3 concentrations, indicating limited potential as a standalone biomarker.

research An unusual presentation of vitamin D dependent rickets type 2 with low 25 (OH) D3 levels and alopecia: a case report of two siblings

July 2022 in “International Journal of Contemporary Pediatrics”

This report describes siblings with vitamin D-dependent rickets type 2, characterized by growth retardation, alopecia totalis, and low 25(OH)D3 levels, highlighting its autosomal recessive pattern and distinction from other rickets types.

research 1,25-(OH)2D3 promotes hair growth by inhibiting NLRP3/IL-1β and HIF-1α/IL-1β signaling pathways

June 2024 in “The Journal of Nutritional Biochemistry”

This study found that 1,25-dihydroxyvitamin D3 promotes hair growth and regeneration in mice by prolonging the anagen phase and counteracting DHT's inhibitory effects, suggesting its potential therapeutic role for androgenetic alopecia.

research Possible association of female-pattern hair loss with alteration in serum 25-hydroxyvitamin D levels

11 citations , January 2014 in “Egyptian Journal of Dermatology and Venereology”

This study found that women with female-pattern hair loss had significantly lower serum levels of 25-hydroxyvitamin D compared to healthy controls, but it does not establish causation.

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Clinics

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Community Join

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community 21M on Minoxidil 3 Months: Should I Add Finasteride for Thinning Hair?

in General 246 upvotes 11 months ago

A 21-year-old male experiencing hair thinning started using Minoxidil, which stopped his shedding and led to the growth of vellus hairs on his temples. He is considering whether to add finasteride to his routine, which currently includes Minoxidil, derma rolling, ketoconazole shampoo, vitamin D3, zinc, and a rosemary and fenugreek lotion.

community Husband’s 2.5 month progress so far - I’m amazed!!

354 upvotes 1 year ago

A husband saw significant hair regrowth in 2.5 months using minoxidil, finasteride, collagen, biotin, multivitamins, GHK-cu, microneedling, and scalp oils. His wife highlighted the routine's effectiveness and the importance of consistency.

community UPDATE - 7 months 2,5 dutatesteride

10 upvotes 1 year ago

The user continues to experience hair loss despite using dutasteride 2.5mg, minoxidil 5mg, and ciclopirox shampoo, and plans to reassess after one year. Others report similar issues with dutasteride, with some switching to finasteride or adding RU58841.

community Topical fin (0.1%) and min (5%) for almost 2 years

in Progress Pictures 11 upvotes 4 months ago

A 25-year-old male has been using topical finasteride (0.1%) and minoxidil (5%) for almost two years with no visible improvement but stable hair loss. Suggestions include switching to oral finasteride and minoxidil, considering stronger treatments like dutasteride, and consulting a doctor for personalized advice.

community 4 month update Fin/Min/Dermatamp

28 upvotes 1 year ago

The user reported gradual hair regrowth after 4 months using oral finasteride, topical minoxidil, dermastamping, and vitamins C and D3. They noted the use of a 1.25mm dermastamp and discussed sourcing finasteride in Canada.

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Learn

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learn Hair Transplant

Is there an age limit for hair transplantation? There is no strict age limit for hair transplantation, but ideal candidates are typically between 25 and 65.
Can young people get a hair transplant? Yes, but hair transplants are generally not recommended for young people until hair loss stabilizes.

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Experts

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