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The most common scalp problems in Sikkim were seborrheic dermatitis, androgenetic alopecia, and alopecia areata.

Hard skin features like scales, feathers, and hair evolved through specific protein changes in different animal groups.

Topical calcitriol-analogs can reduce hair loss caused by chemotherapy.

Stress can cause hair loss by affecting nerve-related hair growth, and noradrenaline might help prevent this.

The document concludes that there is no agreed-upon best method for measuring drug delivery within hair follicles and more research is needed to validate current techniques.

A new hair treatment with caffeine and other ingredients makes hair thicker and less likely to break.

The study used monkeys to test a hair loss treatment called minoxidil, which showed positive results.

Minoxidil works in liver and outer hair root sheath for hair growth.

Mice lacking steroid 5α-reductase 2 show less aggression and better impulse control.

Hair in mammals likely evolved from glandular structures, not scales.

Monotreme hair structure and protein distribution are similar to other mammals, but their inner root sheath cornifies differently, suggesting a unique evolution from reptile skin.

Certain genetic variants reduce enzyme activity, contributing to non-classic congenital adrenal hyperplasia.

Certain genetic variants impair enzyme activity, contributing to non-classic congenital adrenal hyperplasia.

The research identified two types of keratinocytes in chicken scales: one for hard scales and another for soft skin, with similarities to human skin differentiation.

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

Researchers created a lab model to study human hair growth, showing it can grow and self-regulate outside the body.

Melatonin may help with sleep issues, depression, and cancer, but more research is needed.

Antiandrogens affect androgen-dependent body functions and are used for various medical conditions, with some risks like fetus feminization, but new forms like 17α-propylmesterolone show promise for acne without systemic effects.

Higher IGF-1 levels in hair follicles link to better finasteride results for hair loss.

The document concludes that fexofenadine reduces inflammation in chronic hives, cholestyramine helps half of pregnant women with itchy rashes, and relaxing incisions are a good alternative in facial surgery for the elderly.

The study created a new method to test drugs that affect hormone processing in skin.

Scientists made a carbon-14 labeled version of a drug with a 48% yield and over 99% purity.

Hair follicles could be used for targeted drug delivery, with liposomal systems showing promise for this method.

Hair follicles could be used to deliver drugs effectively, with the right understanding and methods.

Melatonin affects many body functions beyond sleep by interacting with specific receptors in various tissues.

Hair and nail cells share similar proteins, indicating a common differentiation pathway.

Human skin can make serotonin and melatonin, which help protect and maintain it.

Different types of fibroblasts play various roles in diseases and healing, and more research on them could improve treatments.

Certain proteins, Lgr5 and Lgr6, are important markers of adult stem cells and are involved in tissue repair and cancer development.

Hair follicles help absorb and store topical compounds, aiding targeted drug delivery.