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The document provides a method to classify human hair growth stages using a model with human scalp on mice, aiming to standardize hair research.

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

Certain cells from hair follicles can create new hair and contribute to hair growth when implanted in mice.

Fungi-produced compounds can change plant root growth.

The document concludes that developing generic topical drugs requires ensuring they match the original in quality, composition, and structure, and often involves complex testing and regulatory steps.

Researchers found 19 genes important for root hair growth in a plant called Arabidopsis.

Skin cells produce and activate vitamin D, which regulates skin functions and supports hair growth.

Alopecia areata is an autoimmune condition causing hair loss due to the immune system attacking hair follicles, often influenced by genetics and stress.

Alopecia areata involves immune activation in the scalp, suggesting treatments targeting TH1, TH2, and IL-23 pathways.

Myrtle has various health benefits and potential for medicine development.

Researchers developed a new model for more realistic computer graphics rendering of hair by considering how light scatters on hair fibers.

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

Methotrexate treats various disorders by inhibiting DNA synthesis, but careful monitoring is needed to avoid toxicity and manage side effects.

Humans lost body hair relatively recently in evolution.

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.

Laser hair removal effectiveness depends on targeting hair structures without harming the skin, and improvements require more research and expert collaboration.

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.

The document concludes that adenosine receptor agonists have potential for treating various conditions, but only a few are approved due to challenges like side effects and the need for selective activation.

Hair follicles may soon be used more for targeted and systemic drug delivery.

Finasteride effectively blocks enzyme causing male pattern baldness.

Skin grafts on mice can cause an immune response leading to hair loss, useful for studying human hair loss conditions.

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.

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

The skin's internal clock affects healing, cancer risk, aging, immunity, and hair growth, and disruptions can harm skin health.

Liposomes and niosomes improve finasteride delivery for hair loss treatment.

Substances from Chinese medicines show promise for immune support and disease prevention, but the way they are processed affects their effectiveness.

Men's sensitivity to male hormones might affect how severe COVID-19 gets for them.

The telogen phase of hair growth is active and important for preparing hair follicles for regeneration, not just a resting stage.

New micelle solutions greatly improve skin delivery of certain antifungal drugs.