Phenotypic Variation in Biotinidase Deficiency

Biotin may strengthen existing hair and reduce hair loss, but it doesn't promote new hair growth. Some users report stronger, darker hair, while others see no benefits or experience acne.

Vitamin E and K deficiencies due to exocrine pancreatic insufficiency may affect hair growth. A scalp biopsy is recommended to check for autoimmune-related hair loss.

The user discusses their experience with diffuse unpatterned alopecia and acquired progressive hair kinkering, noting improvements with treatments including biotin, pantothenic acid, finasteride, ketoconazole, and zinc pyrithione shampoo. They report thicker, healthier hair and improved scalp condition, attributing success mainly to biotin, pantothenic acid, and finasteride.

A user is experiencing an itchy scalp after using a shampoo containing biotin, saw palmetto, and caffeine, and is questioning if it's due to the shampoo or balding. They are seeking feedback on others' experiences with similar shampoos.

The user experienced significant hair improvement after switching from topical to oral treatments, using finasteride, minoxidil, and biotin. They reported no major side effects, except for slightly thicker hair on their hands.

Hair loss due to vitamin B12 deficiency is discussed, with some users suggesting supplements and dietary changes, while others recommend medications like finasteride or dutasteride. The conversation highlights differing opinions on the cause of hair loss, with some attributing it to genetics or male pattern baldness.