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Mouse hair follicle cells briefly grow during the early hair growth phase, showing that these cells are important for starting the hair cycle.

Drosha and Dicer are essential for hair follicle health and preventing DNA damage in skin cells.

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

Nonscarring alopecia has higher hair density than scarring alopecia, and hair density can help diagnose the type of alopecia.

Hair loss in systemic lupus erythematosus patients is unique and improves with treatment.

Chrysanthemum zawadskii extract helps hair grow by stimulating hair cells.

Hair loss can be caused by stress, infections, drugs, and various diseases, with treatment depending on accurate diagnosis.

A 17-year-old girl had severe, on-and-off hair loss, likely due to COVID-19. She was treated with Vitamin D3, biotin, and other supplements, and saw some improvement within a month.

Over 40% of postmenopausal women experience hair loss, with treatments aiming to stop further loss and possibly thicken hair.

Blocking Prostaglandin D₂ (PGD₂) could help treat hair loss.

Pregnancy can cause more body and scalp hair growth and make nails brittle, but these changes often revert after giving birth.

Cathepsin L is essential for normal hair growth and development.

Certain mice without specific receptors or mast cells don't lose hair from stress.

mTOR signaling helps activate hair stem cells by balancing out the suppression caused by BMP during hair growth.

Vitamin D receptor is crucial for starting hair growth after birth.

Hair growth slows and shedding increases after childbirth, but most women don't experience excessive hair loss.

Gata6 is important for protecting hair growth cells from DNA damage and keeping normal hair growth.

Horizontal sections of scalp biopsies are good for diagnosing Central Centrifugal Cicatricial Alopecia and help customize treatment.

A gene deletion causes the "hairless" trait in Iffa Credo rats.

Hair loss in cancer patients can be related to the cancer itself, treatment, or other conditions, and understanding it is important for diagnosis and patient care.

Scalp hair grows at 0.37 mm/day, forearm hair at 0.18 mm/day, and thigh hair at 0.30 mm/day, with no significant differences found in people with certain hair conditions.

Histopathology is not reliable for detecting early fibrosis in traction alopecia or for showing how severe it is.

Gamma rays did not change hair follicle density but increased white and hypopigmented hairs in mice.

Higher levels of the DP2 receptor may lead to hair loss.

Doctors should diagnose hair loss by examining the patient and possibly doing tests, and then treat it based on the type, which may prevent permanent hair loss.

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

Hair follicle dermal stem cells are key for regenerating parts of the hair follicle and determining hair type.

A wearable device using electric stimulation can significantly improve hair growth.

Chemotherapy can cause permanent, non-reversible hair loss similar to pattern baldness.

Trichoscopy is useful for diagnosing and monitoring systemic lupus erythematosus, with certain hair and scalp changes indicating more active disease.