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A 79-year-old man was diagnosed with a rare skin condition called nevus comedonicus on his eyelids.

Adult earlobe can have a benign cyst that is usually removed by surgery.

A rare skin disorder, nevus comedonicus, can appear on one side of the body following Blaschko's lines.

Trichofolliculoma, a rare benign hair follicle tumor, can potentially recur.

Hair growth is cyclic and influenced mainly by local factors.

A cross-bred lamb with severe skin and movement issues had ichthyosis fetalis but normal vitamin A levels.

Keratin filaments' elasticity is influenced by their terminal domains and surrounding medium.

Keratin protein production in cells is controlled by a complex system that changes with cell type, health, and conditions like injury or cancer.

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

A 15-year-old with KID syndrome developed a rare skin condition called PEHFN.

Punctate follicular porokeratosis is a skin condition with specific features seen in hair follicles.

Human hair keratins can be turned into useful 3D biomedical scaffolds through a freeze-thaw process.

Genetic discoveries are key for understanding, diagnosing, and treating inherited hair and nail disorders.

A new skin-whitening agent using a peptide from wheat is safe and effective at reducing skin pigmentation.

The cornified envelope is crucial for skin's barrier function and involves key proteins and genetic factors.

Cornification is the process where living skin cells die to create a protective barrier, and problems with it can cause skin diseases.

Genetic defects and UV radiation cause skin damage and aging.

Finasteride delivery through skin improved using invasomes and iontophoresis.

Hair's internal fibers are arranged in a pattern that doesn't let much water in, and treatments like oils and heat change how much water hair can absorb.

Yak belly hair has higher porosity and is less stiff than human hair, making it absorb dye better but less suitable as a direct substitute for hair dyeing.

Ovol2 is crucial for hair growth and skin healing by controlling cell movement and growth.

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

Chitosan nanofiber scaffolds improve skin healing and are promising for wound treatment.

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

The document concludes that a better understanding of cell changes during wound healing could improve treatments for chronic wounds and other conditions.

Liposomes improve drug delivery and reduce skin irritation in dermatology.

Modulating BMP activity changes the number, size, shape, and type of ectodermal organs.

Inherited ichthyoses cause widespread skin scaling and thickening due to gene mutations.

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

Liposomes improve the delivery and effectiveness of cosmetic ingredients but face challenges like cost and stability.