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Tight junctions are key for skin protection and controlling what gets absorbed or passes through the skin.

Liposomal systems show promise for delivering drugs through the skin but face challenges like high costs and stability issues.

Congenital Adrenal Hyperplasia is a genetic disorder with two forms, causing symptoms like early puberty and severe acne, but can be identified through screening and treated with glucocorticoids.

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 boosts hair growth by increasing cell production and survival.

Liposomes improve drug delivery and reduce skin irritation in dermatology.

EGFR inhibitors often cause skin problems and other side effects, but these are usually reversible and can be managed to keep patients comfortable.

Low fluence photoepilation temporarily removes hair by targeting the hair follicle's pigmented area without severe damage.

Fat-derived stem cells show promise for skin repair and reducing aging signs but need more research for consistent results.

Human hair follicle organ culture is a useful model for hair research with potential for studying hair biology and testing treatments.

PEVs improve minoxidil skin penetration, increasing hair growth.

Prolactin contributes to hair loss by promoting hair follicle shrinkage and cell death.

Low doses of some substances can be beneficial, while high doses can be harmful or toxic.

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

Fat cells in the skin help start healing and form important repair cells after injury.

Hair follicles produce and respond to melatonin, affecting hair growth and sensitivity to estrogen.

No single treatment is consistently effective for alopecia areata, and more research is needed.

Cytokeratin 19 and cytokeratin 15 are key markers for monitoring the quality and self-renewing potential of engineered skin.

The update highlights that non-classic congenital adrenal hyperplasia is common in women with excess male hormones, requires specific hormone tests for diagnosis, and has various treatment options depending on age and symptoms.

Macrophages help regrow hair by activating stem cells using AKT/β-catenin and TNF.

Hair grows faster in the morning and is more vulnerable to damage from radiation due to the internal clock in hair follicle cells.

Scientists turned rat thymus cells into stem cells that can help repair skin and hair.

Platelet-rich plasma (PRP) is a cheap and easy treatment for hair loss, but not suitable for everyone. It also helps in healing ulcers, rejuvenating skin, and improving hair transplants.

Thyroid hormones help hair grow, reduce hair loss, and increase hair pigment.

Children, especially teenagers, can get severe SARS-CoV infection with symptoms similar to adults, but they typically recover well with supportive care.

Postinflammatory hyperpigmentation causes dark skin patches and needs personalized treatment.

New topical antifungals and delivery systems are improving treatment for fungal skin infections, but patient education and prevention are key.

Green tea component EGCG could potentially promote human hair growth.

Activating TRPV3 stops human hair growth.

FGF signaling is a promising target for developing treatments for wounds, metabolic diseases, and cancer.