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Trichoscopy is a useful tool for diagnosing hair and scalp issues, but doctors must be careful to avoid mistakes.

Hair follicle stem cells are promising for wound healing but require more research for safe clinical use.

Scientists created keratinocyte cell lines from human hair that can differentiate similarly to normal skin cells, offering a new way to study skin biology and diseases.

Hair loss in autoimmune blistering skin diseases varies and may regrow with disease control.

Keratin is crucial for keeping skin cells healthy and its changes can lead to diseases and affect cell behavior.

Dermoscopy helps diagnose different types of hair loss and may reduce the need for biopsies.

Seborrheic dermatitis may contribute to the development of central centrifugal cicatricial alopecia.

A rare skin disorder, nevus comedonicus, can appear on one side of the body following Blaschko's lines.

Cicatricial alopecia, a permanent hair loss condition, is mainly caused by damage to specific hair follicle stem cells and abnormal immune responses, with gene regulator PPAR-y and lipid metabolism disorders playing significant roles.

Hair follicles help attract immune cells to minor skin injuries.

The document concludes that skin stem cells are important for hair growth and wound healing, and could be used in regenerative medicine.

Dermoscopy is a useful tool for identifying features of skin conditions, but more research is needed to define its role in dermatology.

Understanding where cancer cells come from helps create better prevention and treatment methods.

Stem cell therapy, particularly using certain types of cells, shows promise for treating hair loss by stimulating hair growth and development, but more extensive trials are needed to confirm these findings.

Coal tar shampoos, salicylic acid, and topical corticosteroids are effective for scalp psoriasis, with Vitamin D3 analogues also showing benefits; severe cases may require stronger medication with more risks.

The document concludes that understanding the sebaceous gland's development and function is key to addressing related skin diseases and aging effects.

CCCA is a hair loss type affecting African women, possibly caused by grooming and chemicals, with various treatments and needing more research.

HFMs can help study hair growth and test potential hair growth drugs.

Keratin proteins are crucial for healthy skin, but mutations can cause skin disorders with no effective treatments yet.

Nitric oxide gel helps heal skin burns faster by improving skin growth, hair regrowth, and blood vessel formation.

Heparan sulfate is important for hair growth, preventing new hair formation in mature skin, and controlling oil gland development.

Engineered skin substitutes can grow hair but have limitations like missing sebaceous glands and hair not breaking through the skin naturally.

Human alpha defensin 5 helps heal wounds, reduce bacteria, and grow hair on burned skin.

Hair thickness differences help diagnose hair loss severity.

The protein Par3 is crucial for healthy skin, affecting the skin barrier, cell differentiation, and stem cell maintenance.

Double-stranded RNA causes inflammation in hair follicle cells, which may help understand and treat alopecia areata.

Cholesterol-related compounds can stop hair growth and cause inflammation in a type of scarring hair loss.

Shrinking of oil glands in the skin is a key sign of hair loss linked to TNF inhibitor drugs and may improve if the treatment is stopped.

Certain cells outside the hair follicle's bulge area can quickly regenerate damaged hair follicles, potentially helping to reduce hair loss from cancer treatments.

Inhibiting AP1 in mice skin causes structural changes and weakens the skin barrier.