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Long-term use of certain prostate drugs can worsen erectile dysfunction by changing penile tissue, especially in rats with high blood pressure.

A man with rare skin changes on his fingers was diagnosed with multiple myeloma-linked amyloidosis.

The document suggests a rare skin condition might be caused by a genetic phenomenon.

3D images of skin show collagen is evenly spread, but elastic fibers are fewer near hair follicles.

Stretched hair has a similar structure to natural silk, showing hair's elasticity involves reversible changes within its molecules.

Microneedling safely improves skin by boosting collagen and elastin, helping with scars, stretch marks, and other skin issues.

Minoxidil increased small openings in blood vessel walls near growing hair in rats.

The specialized protective cap improved recovery and satisfaction after hair transplant.

Optical Coherence Tomography has potential in diagnosing hair loss and monitoring blood clotting, and could be improved for deeper tissue observation and better hair loss understanding.

The new device safely and effectively rejuvenates skin, making it thicker and healthier.

A French bulldog had sparse hair due to a condition similar to that seen in Chinese crested dogs.

Two cases showed skin abnormalities without bone or neural defects.

Wild boar skin from Timor Island has three layers with various structures like hair follicles and glands.

After calciphylaxis, rats showed incomplete skin and hair regeneration, resembling scar tissue with fewer hairs.

Blue light therapy is safe for skin and may protect against UV radiation.

Animal hair fibers like wool and mohair are strong when dry, but vicuna fibers are very brittle.

Different oils penetrate hair differently; monounsaturated oils like olive oil penetrate better than polyunsaturated oils.

EVG staining is the most reliable method for diagnosing alopecia.

UV exposure accelerates skin aging by altering elastin, leading to wrinkles.

Hair's structure and properties change with pH; acidic pH maintains strength and less swelling, while alkaline pH increases water content and swelling.

Hair treatments like bleaching increase friction by exposing tiny pores on the hair surface.

Hair fibers interact through classical forces, which are influenced by treatments and products, important for hair care and other applications.

Coconut oil makes hair stronger and more flexible than mineral oil.

As sheep age, their hair fibers and follicles grow larger and more organized, with no significant differences between males and females.

The model helps understand how wool fiber structure affects its strength and flexibility.

Hair fibers break by cuticle cell slipping, shape changing, cuticle fraying, and surface cracking when stretched under specific conditions.

The industry should promote pure luxury hair fibers, improve technology, and diversify products to support growers and ensure sustainable use.

Tooth papilla cells can help regenerate hair follicles and grow hair.

Testosterone may worsen hair loss by affecting hair growth signals, while different prostaglandins can either hinder or promote hair growth.

Bleaching hair removes its protective top layer and exposes more hydrophilic groups, changing its chemical surface and affecting how it interacts with products.