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Scalp reduction can improve hair distribution in certain baldness cases but requires careful patient selection and understanding of facial structure.

Skin stem cells are crucial for maintaining and repairing the skin and hair, using a complex mix of signals to do so.

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

Lactate production is important for activating hair growth stem cells.

Androgens can cause hair growth in some areas and hair loss on the scalp.

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.

Microneedles improve drug delivery in various body parts, are safe and painless, and show promise in cosmetology, vaccination, insulin delivery, and other medical applications.

Forehead modification greatly increases the perception of femininity and is a safe procedure.

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

The document concludes that understanding hair structure is key to diagnosing hair abnormalities and recommends gentle hair care for management.

The update highlights that non-classic congenital adrenal hyperplasia is common in women with excess male hormones, requires specific hormone tests for diagnosis, and has various treatment options depending on age and symptoms.

Animals that change color with the seasons mainly do so in response to daylight changes, but climate change is causing camouflage problems that may require evolutionary changes.

Green tea may help with health issues like cancer, heart disease, and weight loss due to its high catechin content.

Researchers created a fully functional, bioengineered skin system with hair from stem cells that successfully integrated when transplanted into mice.

Low-dose gonadotropin treatment is effective for infertility in women with PCOS, leading to high ovulation rates and comparable pregnancy rates with fewer complications.

Different scaffold patterns improve wound healing and immune response in mouse skin, with aligned patterns being particularly effective.

The document concludes that for hair and feather growth, it's better to target the environment around stem cells than the cells themselves.

PRP injections may be a safe, effective alternative for hair loss treatment compared to minoxidil and finasteride.

Tattooing helps treat skin conditions, reconstruct nipple-areola, mark radiation fields, and locate lesions.

The document concludes that electrolysis and thermolysis can permanently remove hair but calls for better regulation to ensure safety, and notes a possibility of hair regrowth and rare complications.

Nanocarrier-loaded gels improve drug delivery for cancer, skin conditions, and hair loss.

Athletes use steroids to enhance performance despite health risks and legal issues, and education on their dangers is needed.

Bimatoprost, a glaucoma medication, may also help treat hair loss.

The document concludes that more research is needed to understand excessive hair growth in women with normal hormone levels and regular ovulation.

Lizards can regrow their tails, and studying this process helps understand scar-free healing and limb regeneration.

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

Bariatric surgery may help severely obese teenagers but has risks and requires careful patient selection and long-term care.

Minoxidil doesn't affect perifollicular lymphoid infiltration in alopecia areata patients.

The document concludes that freeze-dried platelet-rich plasma shows promise for medical use but requires standardization and further research.

3D-printed mesoporous scaffolds show promise for personalized drug delivery with controlled release.