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Dihydrotestosterone affects hair growth by changing the Wnt/β-catenin pathway, with low levels helping and high levels hindering growth.

Hair transplantation surgery has improved, giving more natural results, and success depends on a skilled team and proper technique.

More than half of patients who had acromegaly surgery experienced hair loss, with varying degrees of recovery.

Different scalp and hair disorders are more common in certain ethnic groups, with the most common being androgenetic alopecia, which is treated with medications like minoxidil and finasteride.

Aging causes hair to gray and thin, with the timing of graying varying by race, and factors like oxidative stress and genetics can lead to hair loss.

Hair restoration surgery has improved to transplant hair in natural groupings, but it's labor-intensive and can't fully restore normal hair density.

Ginseng and its compounds may help hair growth and prevent hair loss, but more human trials are needed to confirm this.

Some plants may help with hair growth and have fewer side effects than synthetic drugs, but more research is needed to confirm their effectiveness.

Animal models are crucial for learning about hair loss and finding treatments.

Intermittent iron and nutritional supplements can help reduce hair loss.

Men with early hair loss have lower vitamin D levels.

Finasteride and dutasteride may help prevent hair loss but could cause side effects like sexual dysfunction and psychological issues.

People with hair loss often have lower levels of zinc and copper in their blood.

Hair loss from Telogen Effluvium usually gets better within 6 months after addressing the cause.

Use finasteride, minoxidil, and follicular unit transplantation for hair loss treatment.

Various treatments, including FDA-approved drugs, natural products, and oral supplements, can help with hair loss, but a patient's medical history and potential allergies should be considered when choosing a treatment.

TrichoScan needs optimization as it underestimated hair density by 38.9% compared to manual counting.

Telogen effluvium is a common hair loss condition where many hairs enter the resting phase, often not noticeable until significant loss occurs, and treatment focuses on the underlying cause.

Deeper microneedling boosts hair growth, with 0.6mm needles and minoxidil being most effective.

Both fat-derived stem cells and platelet-rich plasma are effective and safe for hair loss, but stem cells give better results with more side effects.

Regional nerve blocks are better than ring blocks for pain relief during PRP hair treatment.

Different scalp imaging methods are important for studying hair and scalp health and require more volunteers for better evaluation.

Sebaceous glands are involved in various skin disorders, some treatable with medications like finasteride and minoxidil.

Hormone treatments for transgender individuals generally improve mental health and physical transition, with some health risks that require medical supervision.

The conclusion is that better understanding and more research are needed to effectively manage follicular and scarring disorders in skin of color, with an emphasis on patient education and cultural awareness.

Kerascalp hair serum was found to be safe and effective in improving hair growth and strength in people with mild to moderate hair loss.

Heat-treated Limosilactobacillus fermentum with menthol, salicylic acid, and panthenol promotes hair growth and balances scalp microbiome in people with androgenetic alopecia.

Pomegranate leaf extract may help with hair growth, dandruff, and lice.

DN106212, an extract from a plant, is better at promoting hair growth than other tested substances by affecting hair growth factors and follicle development.

QR 678 and QR 678 Neo are safe and promote hair growth, potentially helping chemotherapy-induced hair loss.