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Monotreme hair structure and protein distribution are similar to other mammals, but their inner root sheath cornifies differently, suggesting a unique evolution from reptile skin.

Cold air and a chilled sapphire window both protect the skin during laser treatments, and work better with water or gel, especially for darker skin.

Epimorphin, a protein, plays a key role in the development of hair follicles in human fetuses, but it doesn't help in maintaining the stem cell population of the follicular skin layer.

Micrografts promote hair growth in androgenetic alopecia treatment.

Prolactin affects when mice shed and grow hair.

Microneedling may help hair loss, but needs more research.

Melatonin stimulates the skin components of ram's scrotum during their non-breeding season.

Targeting the actin cytoskeleton could improve skin healing and reduce scarring.

A mutation in the Adam10 gene causes freckle-like spots on Hairless mice.

Wound covers with α-13'-COOH from vitamin E can improve and speed up wound healing.

The patch assay can create mature hair follicles from human cells and may help in hair loss treatments.

Mice with a Gsdma3 gene mutation have thicker skin and longer hair follicle openings due to increased β-catenin levels.

Young C57BL/6 mice heal better than BALB/c mice, and older mice heal faster but regenerate worse.

DHEA acts like a male hormone on rat skin glands and doesn't turn into female hormones there.

Burn scars heal abnormally and more research is needed to find better treatments.

Skin's epithelial stem cells are crucial for repair and maintenance, and understanding them could improve treatments for skin problems.

Skin abnormalities can indicate immunodeficiency due to shared origins with the immune system.

Skin cell-derived vesicles can help heal skin injuries effectively.

The new hydrogel is good for wound dressing because it absorbs water quickly, has high porosity, can release drugs, fights bacteria, and helps wounds heal with less scarring.

Lab-made tissues from dog fat stem cells can help grow hair by releasing a growth factor.

Certain adrenal hormones can strongly stimulate oil gland growth in hamster skin, similar to male hormones.

Different cell types work together to repair skin, and targeting them may improve healing and reduce scarring.

The document concludes that hair biology is complex and there are still unanswered questions about hair loss and follicle changes.

Notch1 signaling is crucial for improving wound healing and skin regeneration by affecting stem cell behavior.

Stephen Rothman made important discoveries in dermatology, including the use of PABA in sunscreens, but never profited from his work.

Intense pulsed light treatment mainly damages pigmented hair parts but spares stem cells, allowing hair to regrow.

The circadian clock in skin cells controls their growth and rest cycles.

The skin has multiple layers and cells, serves as a protective barrier, helps regulate temperature, enables sensation, affects appearance, and is involved in vitamin D synthesis.

TGF-alpha is present in sheep and ferret skin and may affect hair growth without directly stimulating cell proliferation.

Hair restoration for East Asians should consider their unique characteristics like head shape, hair thickness, and hair density, and use modified procedures and treatments to minimize scarring and maintain hair density.