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Microneedle arrays with nanotechnology show promise for painless drug delivery through the skin but need more research on safety and effectiveness.

Chitin and chitosan are useful in cosmetics for oral care, haircare, and skincare, including UV protection and strength improvement.

Drug repositioning is a promising way to quickly develop new treatments, especially for rare diseases.

Stopping certain drugs can improve skin conditions, arsenicosis affects over half of a Bangladeshi village, males are more vulnerable, and certain treatments are effective for warts, acne, and psoriasis. Smoking and drinking are linked to psoriasis in men, a cream helps with a type of skin cancer, and low iron levels don't directly cause chronic hair loss in women.

Some drugs have gained approval for new uses, while others like tricyclic antidepressants and aspirin show promise but aren't yet approved for these uses.

Psychotropic drugs can help treat skin conditions affected by mental health, but dermatologists must use them carefully due to side effects and patient concerns.

The drug combination was safe and showed promise in treating advanced tumors.

Isotretinoin and tazarotene help treat acne, while minoxidil and finasteride promote hair growth.

Understanding drug interactions, side effects, and patient-specific factors is crucial for effective dermatological care.

Researchers developed a method to measure drugs in hair follicles and found that both water-loving and fat-loving drugs can be detected after being applied to the skin.

Using iontophoresis on minoxidil sulphate-loaded chitosan nanoparticles increases drug release but reduces its targeting to hair follicles.

Some drugs can cause reversible hair loss, but certain chemotherapy drugs may lead to permanent hair loss; drugs can also change hair color and texture.

Drug repurposing speeds up development, cuts costs, and uses known safe drugs, but faces challenges like regulations and patents.

Some drugs, especially biologics, can cause skin reactions that look like other skin diseases, and stopping the drug usually helps clear up these reactions.

New treatments improved blood pressure control in patients with resistant hypertension.

Skin tags in obese individuals may indicate higher cardiovascular risk.

Marine-derived saccharides may help reduce aging effects on skin and hair by promoting cell growth and collagen production.

Lupus affects the skin in various ways, and proper skin examination is crucial for diagnosis and treatment.

Most hirsutism cases are due to PCOS, and treatment focuses on lowering testosterone and blocking its effects.

Minoxidil boosts hair growth by activating PGHS-1.

Drug metabolism affects how long a drug works, its interactions, activation, and toxicity, and is influenced by genetics, diet, illness, and other drugs.

Minoxidil may cause heart changes; use caution and monitor patients with heart conditions.

Fractional lasers could help hair regrowth in androgenic alopecia, but more research is needed to confirm their effectiveness and safety.

COVID-19 vaccines may cause hair loss in people who are genetically prone to it.

Researchers created LabeledIn, a detailed list of drug uses, showing the importance of human input in making such lists.

Sertraline, an antidepressant, may rarely cause hair loss.

The document concludes that doctors should carefully consider off-label drug use in dermatology and always inform patients, while more research is needed on the safety and effectiveness of such practices.

Minoxidil helps lower blood pressure in kids with severe hypertension, but may cause temporary excessive hair growth.

Drug repurposing speeds up drug development, saves money, and has led to about a third of new drug approvals.

Certain existing drugs, like glycopyrronium and botulinum toxin type A, may help treat excessive sweating.