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Particles around 100 nm can penetrate and stay in hair follicles without passing through healthy skin, making them safe for use in topical products and useful for targeted drug delivery.

The study found that two enzymes linked to hair loss are located in different parts of the scalp, supporting a common treatment's effectiveness.

Hormones significantly affect hair and oil gland function in the skin, and more research is needed on skin-related hormone disorders.

A WNT10A gene mutation leads to ectodermal dysplasia by disrupting cell growth and differentiation.

Pregnancy can cause skin pigmentation, stretch marks, and changes in hair, nails, and sweat glands, with most resolving after birth.

Male pattern baldness involves smaller hair follicles, larger oil glands, and other tissue changes, but not major blood supply issues.

The document concludes that accurate diagnosis of different types of hair loss requires careful examination of hair and scalp tissue, considering both clinical and microscopic features.

Mutant mice help researchers understand hair growth and related genetic factors.

The skin protects the body and is constantly renewed by stem cells; disruptions can lead to cancer.

DHEA stimulates skin oil glands and could help postmenopausal women, with potential for acne and excessive hair growth treatments.

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

Hormones, especially androgens, play a key role in acne, which can be a symptom of systemic diseases like PCOS and may require targeted treatment.

The conclusion is that certain scalp tissue changes are characteristic of lichen planopilaris, with mucinous perifollicular fibroplasia being a new feature for diagnosis.

Progress has been made in skin and nerve regeneration, but more research is needed to improve methods and ensure safety.

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

CYP2B12 enzyme in skin cells converts arachidonic acid into specific bioactive lipids.

Injected human hair follicle cells can create new, small hair follicles in skin cultures.

The best way to treat acne is to prevent healthy skin glands from turning into acne lesions by controlling the triggers early on.

Thujae occidentalis semen extract may help treat male pattern baldness by blocking a hair loss-related enzyme and reducing hair loss in mice.

EGF and FGF help hair growth by affecting cell differentiation and fiber growth.

The research found specific signs to diagnose alopecia areata incognito and noted patients generally regrow hair after steroid treatment.

Damaged hair follicle stem cells can cause permanent hair loss, but understanding their role could lead to new treatments.

Extramammary Paget disease can spread deeply into tissues, reaching up to 3.6 mm.

The protein Par3 is crucial for healthy skin, affecting the skin barrier, cell differentiation, and stem cell maintenance.

Nanoparticles effectively deliver water-insoluble drugs to hair follicles, stimulating hair growth without irritating the skin.

Multiphoton microscopy can non-invasively tell apart scarring from non-scarring hair loss and could aid in treatment.

A hydrogel made from pig fat helps wounds heal faster by regenerating skin fat cells.

New pregnane derivatives are effective at inhibiting an enzyme linked to hair loss and reducing oil gland activity.

Llamas often have skin issues like mange, bacterial infections, and allergies, with some treatable by zinc.

Scalp biopsies from dermatomyositis patients show chronic hair loss without scarring, with mucin and blood vessel changes being very common.