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Lichen planopilaris causes permanent hair loss and scarring due to damage to hair follicles and can be mistaken for other hair loss conditions.

Advanced nanocarrier and microneedle drug delivery methods are more effective, safer, and less invasive for treating skin diseases.

Confocal Laser Scanning Microscopy (CLSM) is a useful tool for studying how drugs interact with skin and diagnosing skin disorders, despite some limitations.

The new wound dressing helps skin heal faster and fights infection.

Nanoparticles can enter the skin, potentially causing toxicity, especially in damaged skin.

The skin is a complex barrier for drug penetration, but understanding its structure and interactions can improve drug delivery methods.

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.

Zinc oxide nanoparticles in sunscreen do not penetrate deep into the skin.

Nanoparticles can improve skin treatments by better targeting hair follicles, but more research is needed for advancement.

Oral zinc sulphate is an effective and safe treatment for thallium poisoning, especially for skin and hair symptoms.

Trichoscopy is useful for diagnosing hair and scalp disorders in people with darker skin.

Thallium poisoning can cause hair loss, skin rashes, and nerve damage, and can be fatal if not correctly diagnosed and treated.

Scientists created a gel with nanoparticles to deliver medicine to hair follicles effectively.

RXRα is crucial for proper immune response and links diet to immune function.

Oral zinc sulphate is an effective and safe treatment for thallium poisoning.

White and yellow dots indicate severe female hair loss in dark skin.

Follicular red dots may be a normal feature seen in people with less skin pigmentation, not necessarily indicating a scalp disorder.

Anti-MND antibodies are present in various diseases, not just PBC, and their levels don't correlate with disease activity or skin symptoms.

The article concludes that hair loss is a common side effect of drugs treating skin cancer by blocking the hedgehog pathway, but treatment should continue, and more selective drugs might prevent this side effect.

Fractional CO2 laser treatment significantly boosts drug and nanoparticle skin absorption, especially through hair follicles.

Reflectance confocal microscopy can tell apart white dots on the scalp as either sweat gland ducts or hair follicle openings.

The study found that long-term sun exposure does not significantly affect follicular plugs on the scalp, and the scalp's appearance is unique compared to other body parts.

Over-the-counter cosmetic creams can cause skin damage on the face that is visible under dermoscopy and confirmed by tissue analysis.

Trichoscopy is a reliable method for diagnosing hair and scalp disorders quickly and non-invasively.

Small white dots on the scalp seen with a dermoscope correspond to sweat ducts and vary with different hair disorders.

Dirty dots are a common scalp finding in elderly women and can be washed away with shampoo.

Skin color may change how alopecia areata looks under a dermoscope.

Yellow and orange colors are important for diagnosing certain skin conditions.

Trichoscopy is a useful tool for diagnosing hair and scalp diseases without needing skin biopsies.

Dermoscopy and trichoscopy are useful for diagnosing skin signs in Dermatomyositis.