Here's why:
* The papilla is the lifeblood of the hair follicle. It contains the stem cells responsible for producing new hair cells. These stem cells constantly divide and differentiate to create the hair shaft.
* Destruction of the papilla eliminates the source of new hair cells. Without these cells, the hair follicle can no longer produce hair.
* The existing hair shaft will eventually fall out. This is because the hair shaft is not anchored to the follicle and will detach as it continues to grow.
Causes of Papilla Destruction:
* Severe trauma: Burns, deep cuts, or other injuries can damage the papilla.
* Certain medical conditions: Alopecia areata, scarring alopecia, and some autoimmune diseases can affect the papilla.
* Surgery: Some surgeries, like hair transplants, can inadvertently damage the papilla.
Consequences:
* Permanent hair loss: The affected area will remain bald as no new hair can grow.
* No cure: While there are treatments to stimulate hair growth in some cases, there is no cure for papilla destruction.
It's important to note that this is a simplified explanation. The specific consequences of papilla destruction can vary depending on the cause and the extent of the damage. If you are concerned about hair loss, it's always best to consult a dermatologist or other healthcare professional for proper diagnosis and treatment options.