Seasonality of Hair Loss: A Digital Epidemiology Analysis from 2004 to 2016

The user experiences increased hair loss in winter, possibly due to lack of sun and vitamin D, and is using finasteride and vitamin D3 supplements to address it. Suggestions include using a red light lamp and maintaining vitamin D intake.

Male-pattern baldness might increase UVB exposure on the scalp, potentially affecting vitamin D and skeletal health. The hypothesis is debated, with some seeing it as a minor benefit in specific contexts.

The user noticed increased hair loss over the past three years and is seeking advice. A suggestion was made to consult a dermatologist or trichologist and consider blood tests, particularly for vitamin D levels, to address potential androgenetic alopecia (AGA).

A user in their mid-40s shared their hair loss journey from 2024 to 2026, using finasteride, oral and topical minoxidil, microneedling, and red light therapy, resulting in significant improvement. They experienced mild depression and unwanted hair growth as side effects but found topical minoxidil essential for their progress.

Users are experiencing increased hair shedding despite using treatments like dutasteride, finasteride, minoxidil, hair vitamins, and DHT shampoo. Some note this happens seasonally, while others are concerned their treatments are no longer effective.

The conversation discusses hair loss struggles and treatments, including oral minoxidil, oral finasteride, and RU58841. Users share experiences and advice, suggesting options like topical minoxidil, microneedling, hair transplants, and scalp micropigmentation.