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Aging reduces skin stem cell function, leading to changes like hair loss and slower wound healing.

Gender affects hair and scalp characteristics, with differences in hormone responses, graying patterns, and trace metals.

The document concludes that changes in eyelashes and eyelid skin can indicate various local and systemic diseases.

Women with PCOS often have skin problems like excessive hair, acne, hair loss, and dark patches, which can be treated with hormonal and non-hormonal therapies.

The document says that treating the root cause of hair follicle damage is crucial to prevent permanent hair loss, and treatment options vary.

Different treatments for Hidradenitis suppurativa range from antibiotics and hormonal therapies to surgery, depending on severity.

Dermatological conditions are complex, and treatments have mixed results.

Androgen replacement therapy can improve libido and mood in women with severe androgen deficiency, but more research is needed on its long-term safety.

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.

Mouse hair follicle stem cells lose their ability to change into different cell types after being grown for a long time.

Losing eyelashes or eyebrows can be a sign of many different health problems and needs a careful approach to treat effectively.

Nutrients like vitamins, copper, zinc, and amino acids are crucial for healthy hair and wool growth.

Advanced therapies like gene, cell, and tissue engineering show promise for hair regrowth in alopecia, but their safety and effectiveness need more verification.

The document concluded that stem cells are crucial for skin repair, regeneration, and may help in developing advanced skin substitutes.

Aging in hair follicle stem cells leads to hair graying, thinning, and loss.

Cytokeratin 19 and cytokeratin 15 are key markers for monitoring the quality and self-renewing potential of engineered skin.

Hair, teeth, and mammary glands develop similarly at first but use different genes later.

Healthy scalp leads to better hair quality and less damage.

Human sebaceous glands contain enzymes that affect androgen production and may influence sebum production and acne.

A genetic change in the EDAR gene causes the unique hair traits found in East Asians.

Hormonal contraceptives can help treat acne by affecting sebum production and androgen levels.

Scientists created a 3D skin model to study a chronic skin disease and test treatments.

Different types of skin cells play specific roles in development, healing, and cancer.

Puberty often causes skin issues like acne and excessive sweating, and treatments require patience as results may vary.

Different skin diseases show unique patterns of skin cell separation, cell death, and granular layer changes.

Behçet's Disease may be caused by genetic and environmental factors leading to abnormal immune responses, and stress management and new treatments could improve patient outcomes.

Melanoma development can be linked to the breakdown of skin's melanin-producing units.

Different hair growth problems are caused by genetic issues or changes in hair growth cycles, and new treatments are being developed.

Prolactin contributes to hair loss by promoting hair follicle shrinkage and cell death.

Hormone imbalances can cause skin diseases, and understanding these links is important for diagnosis and treatment.