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Lichen Planus is a less common condition affecting skin and mucous membranes, with various types and associated risk factors, challenging to diagnose, significantly impacts life quality, and may have a risk of cancerous changes in oral lesions.

Epithelial-mesenchymal interactions control hair growth cycles through specific molecular signals.

Platelet-rich plasma can potentially promote hair growth by stimulating cell growth and increasing certain proteins.

Wnt signaling is crucial for pigmented hair regeneration by controlling stem cell activation and differentiation.

Insulin resistance is a key factor in polycystic ovary syndrome, but genetics may also contribute.

Insulin resistance and obesity are key factors in the development and worsening of polycystic ovary syndrome, and lifestyle changes are important for managing it.

Diagnosing PCOS in teenagers is challenging and should use strict criteria to avoid misdiagnosis and unnecessary worry.

Hair follicles help absorb and store topical compounds, aiding targeted drug delivery.

Hair color production in mice is closely linked to the hair growth phase and may also influence hair growth itself.

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.

Lactate production is important for activating hair growth stem cells.

Use minoxidil for hair loss; finasteride and dutasteride for men, dutasteride for women.

Most women with excess hair growth have an underlying hormonal issue, often treated with medication and hair removal methods.

Targeted cancer therapies often cause serious skin problems that need careful management.

Estrogens can improve skin aging but carry risks; more research is needed on safer treatments.

Trichoscopy is a useful tool for diagnosing different hair and scalp diseases by their unique visual features.

Isotretinoin is highly effective in treating severe acne, rosacea, and gram-negative folliculitis.

The conclusion is that accurate diagnosis of different types of hair loss requires good teamwork between skin doctors and lab experts.

Early development of hair, teeth, and glands involves specific signaling pathways and cellular interactions.

Telocytes might help with skin repair and regeneration.

Zinc is crucial for growth and health in rats.

Different types of stem cells in hair follicles play unique roles in wound healing and hair growth, with some stem cells not originating from existing hair follicles but from non-hair follicle cells. WNT signaling and the Lhx2 factor are key in creating new hair follicles.

Follicular Unit Extraction (FUE) is a less invasive hair transplant method with minimal scarring, suitable for about 60% of patients, especially those needing fewer grafts and quicker recovery.

The document concludes that more research is needed to better understand and treat primary cicatricial alopecias, and suggests a possible reclassification based on molecular pathways.

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

The dermal papilla is crucial for hair growth and health, and understanding it could lead to new hair loss treatments.

The Sonic hedgehog pathway is crucial for new hair growth during mouse skin healing.

Hair follicles may soon be used more for targeted and systemic drug delivery.

Stem cells in the hair follicle are regulated by their surrounding environment, which is important for hair growth.

Higher levels of unbound testosterone are linked to increased insulin resistance, especially in women with polycystic ovary syndrome.