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Microneedles help improve skin appearance and deliver skin treatments effectively, but safety concerns need more research and regulation.

The document concludes that better biomarkers are needed to detect long-term oral testosterone use in athletes.

The document concludes that adult mammalian skin contains multiple stem cell populations with specific markers, important for understanding skin regeneration and related conditions.

The document concludes that various clinical methods are used to assess ageing skin and the effectiveness of anti-ageing products.

Multiphoton microscopy is a promising tool for detailed skin imaging and could improve patient care if its challenges are addressed.

Researchers created hair-inducing human cell clusters using a 3D culture method.

Facial rejuvenation surgery has evolved to yield natural results with low complication rates, and more men and older patients are choosing this surgery.

Live imaging has advanced our understanding of stem cell behavior and raised new research questions.

Combining microsurgery with craniofacial reconstruction improves aesthetic results and reduces harm to the area where tissue is taken from.

Minoxidil improves blood flow and vessel flexibility, potentially helping with vascular stiffness.

The article concludes that developing in vitro models for human hair structures is important for research and reducing animal testing, but there are challenges like obtaining suitable samples and the models' limitations.

New methods like nanoparticles and microneedles show promise for better skin drug delivery, especially for hair disorders.

ATP increases melanin production in skin after UV exposure, with the P2X7 receptor being crucial for this process.

Facial aging is caused by natural processes and external factors, and can be managed with preventative measures and a variety of treatments tailored to individual needs.

Detailed patient history and physical exams are crucial for diagnosing hair loss.

Poplar seed hairs grow from the placenta at the ovary base, with endoreduplication playing a key role in their development, and share similar cellulose synthesis processes with cotton fibers.

Bleaching hair damages protein structure, especially keratin, leading to weakened hair.

Wait 3 months after COVID-19 before trying assisted reproduction and further research is needed on COVID-19's effects on male hormones and fertility.

The place where hair is transplanted can change its growth rate and length but not its thickness.

The document concludes that better understanding the wound microbiome can improve chronic wound care by preserving helpful bacteria and targeting harmful ones.

Hair transplantation effectively treats burn scar alopecia, improving self-esteem and confidence.

Using rodents for research shows that health problems in the womb can cause diseases later in life.

Wnt5a may contribute to psoriasis by reducing skin cell growth, blocking skin cell maturation, and increasing inflammation.

Chemical treatments can change the scale heights of wool and cashmere fibers, affecting their identification.

Exercise and finasteride together improve ovary health in PCOS rats.

Treating both the mind and skin together, especially by managing stress, can greatly improve outcomes for skin disorders linked to psychological issues.

Hair straightening can damage hair and pose health risks, including exposure to carcinogens and hair loss.

Testosterone reduces heart damage and inflammation after injury.

Dermoscopy greatly improves melanoma diagnosis and reduces unneeded surgeries.

Examining scalp biopsies in different ways helps better diagnose hair loss types.