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Testosterone and dihydrotestosterone affect hair growth, and new techniques like the folliculogram help study it, but fully understanding hair growth is still complex.

Hormones, nutrition, and seasonal changes regulate hair growth cycles, with androgens extending growth phases and factors like aging and malnutrition affecting hair loss and thinning.

PDGF signaling is crucial for maintaining and renewing hair follicle stem cells, which could help treat hair loss.

The Ovol2-Zeb1 circuit is crucial for skin healing and hair growth by guiding cell movement and growth.

Imiquimod cream activates hair follicle stem cells and causes early hair growth by changing immune cells and certain protein expressions.

Laser hair removal works well for people with dark hair and light skin, but it's less effective for light hair or dark skin; improvements are expected.

The conclusion is that accurately identifying folliculosebaceous tumors requires understanding their clinical signs and microscopic features.

Hormones cause hair loss by affecting cell growth and weakening cell attraction.

Hair ages and thins due to factors like inflammation and stress, and treatments like antioxidants and hormones might improve hair health.

Hair transplantation is a surgical procedure to move hair to bald areas, requires good donor hair, and results show in about a year.

Blocking Oncostatin M's role in the JAK-STAT pathway can stimulate hair growth in mice.

Lithocholic acid helps hair growth and regeneration in alopecia by activating vitamin D receptors.

Gypenosides from Gynostemma pentaphyllum were found to have anti-aging effects, increasing skin collagen and reducing wrinkles.

Double-stranded RNA activates a pathway that causes a skin protein to be expressed in the wrong place.

Skin and hair renewal is maintained by both fast and slow cycling stem cells, with hair regrowth primarily driven by specific stem cells in the hair follicle bulge. These cells can also help heal wounds and potentially treat hair loss.

Hair loss in Androgenetic Alopecia is not caused by damage to follicular stem cells.

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

Stem cell niches are crucial for regulating stem cell behavior and tissue health, and their decline can impact aging and cancer.

The document concludes that understanding hair follicle biology can lead to better hair loss treatments.

Laser hair removal effectiveness depends on targeting hair structures without harming the skin, and improvements require more research and expert collaboration.

The telogen phase of hair growth is active and important for preparing hair follicles for regeneration, not just a resting stage.

The article concludes that the wool follicle is a valuable model for studying tissue interactions and has potential for genetic improvements in wool production.

Exosomes from dermal papilla cells help hair growth by making hair follicle stem cells multiply and change.

The hair follicle is a great model for research to improve hair growth treatments.

Hair follicle stem cells are a promising source for tissue repair and treating skin or hair diseases.

Aging in hair follicle stem cells leads to hair graying, thinning, and loss.

The conclusion is that small hair follicles cause baldness in macaques, and treatments like antiandrogens and minoxidil can prevent hair loss and promote regrowth.

Understanding hair follicle biology and stem cell control could lead to new hair loss treatments.

Minoxidil promotes hair regrowth in early baldness stages and prevents baldness in non-bald scalps.

Male pattern baldness involves hormone-related hair thinning, shorter hair, and inflammation.