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The best animal model for studying male-pattern baldness is the stumptailed macaque, not rats or mice.

Activin B helps start and grow hair follicles in mice.

Hypothyroidism harms rat skin, but topical triiodothyronine may help improve it.

Chemotherapy can cause skin side effects that affect patients' lives, but they can be managed to avoid interrupting cancer treatment.

Testosterone, progesterone, and levonorgestrel change enzyme levels related to fat production in hamster skin, which could affect skin oil and acne.

Hormonal therapies are effective for managing hair and skin symptoms in women with PCOS.

Hirsutism is mainly caused by high androgen levels or sensitivity, with PCOS being the most common cause.

Certain gene variations are linked to a higher risk of severe acne, suggesting a genetic influence on the condition.

Stem cells control their future role by changing ERK signal timing, affecting tissue regeneration and cancer.

Hair follicles repair 3D injuries using a 2D healing process.

Acne is linked to inflammation and insulin resistance, and is associated with various syndromes that require different treatments.

Neurohormones help control skin health and could treat skin disorders.

New treatments for hair loss show promise, including plasma, stem cells, and hair-stimulating complexes, but more research is needed to fully understand them.

Genetic defects and UV radiation cause skin damage and aging.

Cyclooxygenase-2 overexpression in mice skin causes hair loss like human androgenetic alopecia.

Hair follicle biology advancements may lead to better hair growth disorder treatments.

Basal cell carcinoma mostly starts from cells in the upper skin layers, not hair follicle stem cells.

Hair loss and aging are caused by the breakdown of a key protein in hair stem cells.

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

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.

Hormone treatments in transsexual individuals reduce hair growth and oil production in male-to-females and increase them in female-to-males.

Laser hair removal effectiveness depends on targeting hair structures without harming the skin, and improvements require more research and expert collaboration.

Aging causes skin stem cells to work less effectively.

Different types of stem cells with unique roles exist in blood, skin, and intestines, and this variety is important for tissue repair.

Fat-derived stem cells show promise for skin repair and reducing aging signs but need more research for consistent results.

Human hair follicle organ culture is a useful model for hair research with potential for studying hair biology and testing treatments.

Different types of stem cells exist within individual skin layers, and they can adapt to damage, transplantation, or tumor growth. These cells are regulated by their environment and genetic factors. Tumor growth is driven by expanding, genetically altered cells, not long-lived mutant stem cells. There's evidence of cancer stem cells in skin tumors. Other cells, bacteria, and genetic factors help maintain balance and contribute to disease progression. A method for growing mini organs from single cells has been developed.

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

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

Testosterone treatment in trans men increases body and facial hair and may lead to hair loss over time, but severe skin issues are rare.