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Frontal fibrosing alopecia is linked to increased immune system activity and reduced stem cells, suggesting early treatment targeting this pathway might prevent hair follicle damage.

Dogs could be good models for studying human hair growth and hair loss.

Stem cells preservation in AGA could be a potential therapy, but more cases needed.

Thymosin β4 promotes hair growth by activating stem cells in hair follicles.

Recent discoveries have improved our understanding of hair loss, but challenges in treatment and knowledge among specialists still exist.

Laser hair removal might also work by damaging blood vessels around hair follicles.

Hair follicle biology advancements may lead to better hair growth disorder treatments.

Different types of stem cells in hair follicles play unique roles in wound healing and hair growth, with some stem cells not originating from existing hair follicles but from non-hair follicle cells. WNT signaling and the Lhx2 factor are key in creating new hair follicles.

Adult mice can grow new hair from skin wounds.

Damage to hair follicle stem cells causes permanent hair loss and scarring in cutaneous lupus erythematosus.

Merkel cells and Langerhans cells in hair follicles are closely connected and may interact.

Apoptosis helps shape hair growth and prepares the skin for hair to emerge.

Hair root sheaths are more common in non-scarring hair loss and help diagnose the type of hair loss.

FUE hair transplants offer minimal scarring and are good for short hairstyles but are time-consuming and can be costly.

Microneedling helps increase the absorption of a melanin product into hair follicles, which may improve laser hair removal effectiveness.

Follicular Cell Implantation might become a new treatment for hair loss and could lead to advances in organ regeneration.

EVG staining helps tell apart follicular scars from follicular streamers, aiding in diagnosing different types of hair loss.

Narrower donor strips and special closure techniques in hair transplants lead to smaller scars and happier patients.

Transplanted transected hair follicles can survive but grow at unsatisfactory rates and are thinner, suggesting limited potential for unlimited donor hair supply.

Splitting one hair follicle into two can help regrow hair with a 50% to 70% success rate, useful when donor hair is limited.

Cutting hair follicles into pieces for transplantation results in poor growth and thinner hair, and the technique is more invasive than previously thought.

Microspheres about 1.5 micrometers in size can best penetrate hair follicles, potentially reaching important stem cells.

Medium-sized particles penetrate hair follicles better than smaller or larger ones, which could improve delivery of skin treatments.

Targeting hair follicles can improve skin treatments and reduce side effects.

Nanocapsules can improve clobetasol delivery to hair follicles, reducing side effects.

Using sharp tools and the right techniques in hair transplant surgery leads to less damage to hair follicles.

Scientists created 3D hair-like structures that could help study hair growth and test treatments.

Dilated follicular infundibula and increased catagen/telogen follicles are key indicators for diagnosing alopecia areata.

The hair follicle bulge is an important area for adult stem cells involved in hair growth and repair, with potential for medical use needing more research.

Certain cells outside the hair follicle's bulge area can quickly regenerate damaged hair follicles, potentially helping to reduce hair loss from cancer treatments.