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Humans lost body hair relatively recently in evolution.

Superficial granulomatous pyoderma is a unique, mild form of skin disease that often heals without strong medication and responds well to milder treatments.

Peptide hydrogels heal burn wounds faster and better than standard dressings.

Stem cell self-renewal is complex and needs more research for full understanding.

The document concludes that more research is needed to better understand and treat primary cicatricial alopecias, and suggests a possible reclassification based on molecular pathways.

Pig skin is a good substitute for human skin to measure drug absorption, but differences in skin structure and enzymes across species must be considered.

Minoxidil works better for female hair loss, but cyproterone reduces scalp oiliness and causes menstrual issues.

Too much Smad7 changes skin and hair development by breaking down a protein called β-catenin, leading to more oil glands and fewer hair follicles.

The document concludes that accurate diagnosis of ichthyosis is crucial for treatment and genetic advice, and ongoing research is needed for better therapies.

Dextran sulfate was found to be toxic and ineffective for treating HIV.

Pregnancy can cause skin darkening, varicose veins, more sweating, hair growth, hair loss after birth, nail changes, and gum inflammation.

Keratose, derived from human hair, is a non-toxic biomaterial good for tissue regeneration and integrates well with body tissues.

Periodontal ligament stem cells show promise for regrowing tissues but require more research for safe, effective use.

Protoporphyrin IX is useful in cancer treatment but can cause health problems if not properly regulated.

Eating less sugar, milk, and saturated fats and more vegetables and fish may help treat and prevent acne.

Finasteride treats enlarged prostate and hair loss, but may cause side effects in some patients.

The document recommends using both clinical evaluation and various measurement methods to assess skin greasiness, considering factors like temperature and hormones.

PRP treatment improves hair growth, and the device used can affect results, with some being more effective.

Finasteride effectively blocks enzyme causing male pattern baldness.

Higher levels of unbound testosterone are linked to increased insulin resistance, especially in women with polycystic ovary syndrome.

Different types of stem cells and their environments are key to skin repair and maintenance.

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

The document concludes that specific cells are essential for hair growth and more research is needed to understand how to maintain their hair-inducing properties.

Tempol is safe and may prevent hair loss from brain radiotherapy.

Macrophages help heal nerves by aiding the maturation of Schwann cells and are important for nerve repair.

Trichoscopy can diagnose female hair loss with high accuracy by looking for specific patterns in hair and scalp appearance.

Hair analysis can detect cocaine use but doesn't accurately show the amount or timing of use.

Probiotic bacteria improved skin and hair health in aged mice.

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

Isotretinoin effectively treats severe acne and similar conditions, but has common, mostly reversible side effects, requiring careful patient monitoring.