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Photodynamic therapy can remove nonpigmented hair in mice and might work for humans.

Antigens from skin cells may cause hair loss in perinevoid alopecia.

Hair greying is seen as a sign of aging; temporary fixes like hair dye are used, but a balanced diet and hair care can help manage it.

Alopecia areata is a reversible, autoimmune-related hair loss that can have significant emotional impact and uncertain treatment effectiveness.

Pilocarpin can cause hair regrowth and color change in some cases but not in others, and it may have side effects in animals.

The document concludes that better targeted treatments are needed for wound healing, and single-cell technologies may improve cell-based therapies.

Male hormones may play a role in the development of heart disease, and more research is needed to understand their effects.

The document concludes that the understanding of scar formation is incomplete and current prevention and treatment for hypertrophic scars and keloids are not fully effective.

Videodermoscopy improves diagnosis of hair and scalp disorders and may reduce scalp biopsies.

The Endocrine Society advised against routine testosterone therapy for women, citing a need for more research on long-term safety and a clear definition of androgen deficiency.

The guidelines advise against using testosterone and DHEA in women for most conditions due to safety and effectiveness concerns, but suggest considering testosterone for postmenopausal women with low sexual desire.

Tofacitinib is safe and effective for severe alopecia areata, but hair loss may return 2 months after stopping treatment.

Scientists have found a way to create hair follicles from skin cells of newborn mice, which can grow and cycle naturally when injected into adult mouse skin.

Dermatologists need to understand hair products to treat hair and scalp issues better.

Blocking JAK-STAT signaling can lead to hair growth.

Modulating BMP activity changes the number, size, shape, and type of ectodermal organs.

Stress can stop hair growth in mice, and treatments can reverse this effect.

Testosterone supplements can increase muscle mass and strength in older men with low levels, but long-term effects and risks need more research.

Certain types of T cells are essential for healthy skin and play a role in skin diseases, but more research is needed to improve treatments.

Testosterone therapy seems safe for postmenopausal women for a few years, but more research is needed for long-term effects.

Testosterone with or without finasteride doesn't improve thinking skills in older men with low testosterone.

The conclusion is that hair growth can be improved by activating hair cycles, changing the surrounding environment, healing wounds to create new hair follicles, and using stem cell technology.

Minoxidil and finasteride are effective for male hair loss, minoxidil for female hair loss, and various treatments like corticosteroids work for alopecia areata; treatment should be tailored to the individual.

Wnt signaling is crucial for skin and hair development and its disruption can cause skin tumors.

Frequent hair coloring and styling can damage hair and cause breakage or loss.

Topical drugs and near-infrared light therapy show potential for treating alopecia.

Chronic Telogen Effluvium may resolve after years and is diagnosed by examining the patient's history and clinical signs, with treatment aimed at underlying causes and possibly minoxidil.

Melanocyte development from neural crest cells is complex and influenced by many factors, and better understanding could help treat skin disorders.

Dermal exosomes with miR-218-5p boost hair growth by controlling β-catenin signaling.

Some systemic treatments work for nail psoriasis but can have serious side effects.