Hair and vitamin D


Vitamin D plays a significant role in hair health, and its deficiency has been linked to various types of hair loss. Here's how it connects to hair:

 How Vitamin D Affects Hair


1. Hair Follicle Health:

Vitamin D stimulates hair follicles and may help maintain the hair growth cycle.

It activates hair follicle stem cells, encouraging hair production.

2. Regulation of Hair Growth Cycles:

It influences the anagen phase (active growth phase) of hair.

3. Immune Function:

Vitamin D supports a balanced immune response. An imbalance can contribute to autoimmune hair loss (e.g. alopecia areata).


 Vitamin D Deficiency & Hair Loss

Low vitamin D levels have been associated with:

Telogen Effluvium (temporary hair shedding)

Alopecia Areata (autoimmune condition with patchy hair loss)

Possibly androgenetic alopecia (pattern baldness), although evidence is mixed.



 

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