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The human scalp hair bulb contains different types of melanocytes with varying abilities to produce melanin.

Imiquimod can cause rare skin side effects, some irreversible, and long-term follow-up is important for users.

Sex hormones affect hair growth and loss, and treatments for related hair diseases include various medications, hair transplantation, and light therapy.

Women's hair loss can be due to hormonal changes and various conditions, with treatments focusing on stopping progression and managing symptoms.

Moth-eaten alopecia is linked to various skin diseases and requires early treatment to prevent worsening.

People with Alopecia Areata and Androgenic Alopecia have more mast cells in their scalp than healthy individuals, especially those with Alopecia Areata.

Two unusual cases showed that Lichen Planopilaris can look like other skin conditions and need early treatment to protect hair.

The 2015 Hair Research Congress concluded that stem cells, maraviroc, and simvastatin could potentially treat Alopecia Areata, topical minoxidil, finasteride, and steroids could treat Frontal Fibrosing Alopecia, and PTGDR2 antagonists could also treat alopecia. They also found that low-level light therapy could help with hair loss, a robotic device could assist in hair extraction, and nutrition could aid hair growth. They suggested that Alopecia Areata is an inflammatory disorder, not a single disease, indicating a need for personalized treatments.

Hedgehog signaling controls hair follicle development and can affect skin cancer growth.

Recognizing scalp symptoms in PRP is crucial for proper diagnosis and treatment.

Alopecia patients have more mast cells in their scalps, especially in severe cases and older age, with alopecia areata showing the highest increase.

In vivo lineage labelling is better than in vitro methods for identifying and understanding stem cells.

Norwegian puffin dogs have a unique type of hair loss that often doesn't get better on its own and responds well to ciclosporin treatment.

Hair follicles are important for drug delivery through the skin, but better methods are needed to understand and improve this process.

Skin's epithelial stem cells are crucial for repair and maintenance, and understanding them could improve treatments for skin problems.

The document concludes that diagnosing hair loss requires evaluating multiple histological features, as no single feature is definitive on its own.

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

Hair growth is influenced by various body and external factors, and neighboring hairs communicate to synchronize regeneration.

Certain leukemia drugs can cause severe skin reactions that may require stopping treatment.

Psoriasis lesions have fewer and smaller oil glands, which might affect the condition's development.

Scalp areas that look normal in people with hair loss may still show signs of disease under a microscope.

The book details skin conditions in older adults, their link to mental health, cancer treatment importance, hair loss remedies, and managing autoimmune and itchy skin.

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

Disrupted cholesterol production impairs hair follicle stem cells, leading to hair loss.

The review concludes that accurate diagnosis of different types of hair loss requires proper biopsy techniques and understanding the hair growth cycle and underlying causes.

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

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

Steven Kossard classified lymphocyte-related hair loss into four patterns, each linked to different types of baldness.

Possible causes of female hair loss include androgenetic alopecia, telogen effluvium, cicatricial alopecia, and alopecia areata incognita; diagnosis and treatment require dermoscopy and histopathology.

Men with Frontal fibrosing alopecia typically lose hair on the front scalp and sometimes on sideburns and upper lip, with treatments showing varied success.