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Some drugs can cause hair loss or increase hair growth, but these effects are usually reversible when the drug is stopped.

Skin aging is due to impaired stem cell mobilization or fewer responsive stem cells.

The document concludes that a better understanding of cell changes during wound healing could improve treatments for chronic wounds and other conditions.

Stem cells in the hair follicle are regulated by their surrounding environment, which is important for hair growth.

The skin's internal clock affects healing, cancer risk, aging, immunity, and hair growth, and disruptions can harm skin health.

No effective treatment for frontal fibrosing alopecia was found, but oral 5-alpha-reductase inhibitors had the best response; for lichen planopilaris, topical corticosteroids were commonly used but had a high relapse rate.

Hair loss occurs due to fewer papillary cells, smaller follicles, and shorter growth phases.

Stress increases a factor in mice that leads to hair loss, and blocking this factor may prevent it.

The document concludes that accurate diagnosis of different types of hair loss requires careful examination of hair and scalp tissue, considering both clinical and microscopic features.

Skin development in mammals is controlled by key proteins and signals from underlying cells, involving stem cells for maintenance and repair.

Male hormones are important for hair and oil gland development and can cause conditions like excessive hair growth and acne.

FFA's causes may include environmental triggers and genetic factors.

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

Postmenopausal frontal fibrosing alopecia is a type of hair loss in postmenopausal women that may stop on its own but has no effective treatment.

Parathyroid hormone-related protein helps control hair growth phases in mice.

Hair follicles offer promising targets for delivering drugs to treat hair and skin conditions.

Claudin-1 is important for the barrier function and growth of hair.

Reflectance confocal microscopy confirms that yellow dots are signs of damaged hair follicles in alopecia areata.

The hair follicle infundibulum plays a key role in skin health and disease, and understanding it better could lead to new skin disease treatments.

Some treatments like intralesional steroids and 5α-reductase inhibitors are effective for frontal fibrosing alopecia, but more research is needed.

Early diagnosis and treatment are crucial for preventing permanent hair loss in various scalp conditions, and while new treatments are promising, more research is needed to evaluate their effectiveness.

Dermoscopy helps diagnose frontal fibrosing alopecia by distinguishing it from other hair loss conditions.

Nd:YAG laser can reduce hair with multiple treatments, but permanent removal isn't guaranteed.

Hair can regrow in large wounds through a process similar to how hair forms in embryos, and understanding this could lead to new treatments for hair loss or scarring.

Finasteride potentially treats hair loss by reducing DHT production.

Nanotechnology could make hair loss treatments more effective and reduce side effects, but more research is needed before it's available.

The long-pulsed alexandrite laser is effective for hair reduction, particularly for light-skinned individuals with dark hair, but caution is needed for darker skin.

Increasing ABC transporters in hair follicles may prevent chemotherapy-induced hair loss.

Hair loss is a rare but recognized symptom of pemphigus vulgaris, with patients usually regrowing hair after treatment.

Finasteride helps hair growth by decreasing cell death in hair follicles.