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Nanotechnology shows promise for better chronic wound healing but needs more research.

Smaller nanoemulsions can penetrate skin and hair follicles better, which may be useful for delivering drugs and vaccines through the skin.

Lipid nanoparticles can help deliver drugs through hair follicles but struggle to penetrate deeper skin layers.

Hair dyes vary in how long they last and how deeply they penetrate hair.

Understanding how baby skin heals without scars could help develop treatments for adults to heal wounds without leaving scars.

Polydopamine is a safe, effective, and permanent hair dye that turns gray hair black in one hour.

Microneedles are effective for painless drug delivery and promoting wound healing and tissue regeneration.

Dissolving microneedles show promise for delivering medication through the skin but face challenges like manufacturing complexity and regulatory hurdles.

PRP therapy shows promise in healing and tissue repair across various medical fields but needs more research for standardization and optimization.

New therapies are being developed that target integrin pathways to treat various diseases.

New nanocarriers improve drug delivery for disease treatment.

Nanomaterials show promise in improving wound healing but require more research on their potential toxicity.

Protein composition greatly affects the function of keratin biomaterials.

Microneedle technology has advanced for painless drug delivery and sensitive detection but faces a gap between experimental use and clinical needs.

Melatonin, usually known for sleep regulation, also has antioxidant properties that can protect skin, stimulate hair growth, and improve skin conditions, with topical application being more effective than oral use.

Scientists discovered that certain stem cells from mice and humans can be used to grow new hair follicles and skin glands when treated with a special mixture.

Human Schwann cells can be quickly made from hair follicle stem cells for nerve repair.

Nanotube-based hair treatments could improve hair health and growth, and offer long-lasting effects.

Gene therapy shows promise for healing chronic wounds but needs more research to overcome challenges.

A new method allows for controlled, long-lasting delivery of retinoic acid through the skin with fewer side effects.

Thymol-loaded nanoparticles are a promising, natural treatment for acne that avoids antibiotics and preserves healthy skin bacteria.

The review concluded that keeping the hair-growing ability of human dermal papilla cells is key for hair development and growth.

Nanocarrier technology in cosmetics improves ingredient delivery and effectiveness while reducing side effects.

The best method for urethral reconstruction is using hypoxia-preconditioned stem cells with autologous cells on a vascularized synthetic scaffold.

The review suggests that a special cell-derived treatment shows promise for various skin conditions and hair growth but needs more research for confirmation.

MSCs and their exosomes may speed up skin wound healing but need more research for consistent use.

Stem cell therapy shows promise in improving burn wound healing.

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

Hair follicle-derived extracellular vesicles may help heal chronic wounds as effectively as those from adipose tissue.

RNA delivery is best for in-body use, while RNP delivery is good for outside-body use. Both methods are expected to greatly impact future treatments.