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Microneedles improve drug delivery in various body parts, are safe and painless, and show promise in cosmetology, vaccination, insulin delivery, and other medical applications.

Soy supplements improve various skin conditions and aging signs, with topical use boosting skin barrier function.

Certain vitamins and their derivatives can help hair grow longer by activating specific growth signals.

Selenium is essential for health, but too much or too little can cause problems; blood selenium levels are a good measure of intake.

Certain genes are more active during wound healing in axolotl and Acomys, which could help develop materials that improve human wound healing and regeneration.

Boosting β-catenin signaling in certain skin cells can enhance hair growth.

The model better predicts how water-loving and fat-loving substances move through the skin by including tiny pores and hair follicle paths.

Alopecia areata is a reversible, autoimmune-related hair loss that can have significant emotional impact and uncertain treatment effectiveness.

Understanding gene expression in hair follicles can reveal insights into hair growth and disorders.

Estrogen replacement can improve skin health in menopausal women but doesn't reverse sun damage or prevent hair loss.

The document concludes that over 500 genes are linked to hair disorders and this knowledge is important for creating new treatments.

The B2 genes are crucial for hair growth in rats.

The document concludes that the human keratin gene cluster is complex, with a need for updated naming to reflect over 50 functional genes important for hair and skin biology.

Keratin structure in hair is stable at pH 5-6 but disrupts between pH 6-7.

A 19-month-old boy with a rare hair disorder showed mild improvement with treatment, but his family chose gentle hair care due to limited success.

The document concludes that while some hair and scalp disorders can be treated, hair loss from destroyed follicles is permanent, and damaged hair can only regrow naturally.

High levels of ceruloplasmin might indicate more severe toenail fungus.

Hair loss in women is often due to hereditary conditions or stress, and while treatments like minoxidil can help, diagnosis and management require medical guidance.

Hair growth phase and certain genes can speed up wound healing, while an inflammatory mediator can slow down new hair growth after a wound. Understanding these factors can improve tissue regeneration during wound healing.

Chemotherapy can cause various skin reactions, with hair loss being the most common, and proper diagnosis and treatment of these reactions are important.

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

Skin needs dermal β-catenin activity for hair growth and skin cell multiplication.

K6hf is a unique protein found only in a specific layer of hair follicles.

Different types of stem cells exist within individual skin layers, and they can adapt to damage, transplantation, or tumor growth. These cells are regulated by their environment and genetic factors. Tumor growth is driven by expanding, genetically altered cells, not long-lived mutant stem cells. There's evidence of cancer stem cells in skin tumors. Other cells, bacteria, and genetic factors help maintain balance and contribute to disease progression. A method for growing mini organs from single cells has been developed.

Hair elemental analysis could be useful for health and exposure assessment but requires more standardization and research.

Treatments for melanin disorders exist, but more effective options needed.

After menopause, women lose a lot of skin collagen, but estrogen replacement might improve skin health.

Mutations in the DSG4 gene can cause a rare hair disorder similar to monilethrix.

Hair growth can be induced by certain cells found at the base of hair follicles, and these cells may also influence hair development and regeneration.

A new type of rapid hair loss called ADTA usually gets better on its own within 6 months.