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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.

Keratose, derived from human hair, is a non-toxic biomaterial good for tissue regeneration and integrates well with body tissues.

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

Skin-derived precursors in hair follicles come from different origins but function similarly.

Fetal skin heals without scarring due to unique cells and processes not present in adult skin healing.

Activating the Wnt/β-catenin pathway could lead to new hair loss treatments.

Feather growth and regeneration involve complex patterns, stem cells, and evolutionary insights.

The circadian clock influences the behavior and regeneration of stem cells in the body.

Multiphoton microscopy is a promising tool for detailed skin imaging and could improve patient care if its challenges are addressed.

The extracellular matrix is crucial for controlling skin stem cell behavior and health.

The new skin patch with human matrix and antibiotic improves wound healing.

Wounds on the face usually heal with scars, but understanding how some wounds heal without scars could lead to better treatments.

Fat cells are important for tissue repair and stem cell support in various body parts.

Lizards can regrow their tails, and studying this process helps understand scar-free healing and limb regeneration.

The 3D electrospun fibrous sponge is promising for tissue repair and healing diabetic wounds.

Cell aging can be both good and bad for tissue repair.

Some Middle Eastern plants may help treat diabetes and could be alternatives to current drugs, but more research is needed.

Touch sensitivity in mouse skin decreases during hair growth due to changes in touch receptors.

Cell-based therapies show promise for treating Limbal Stem Cell Deficiency but need more research.

The environment around melanocyte stem cells is key for hair regeneration and color, with certain injuries affecting hair color and potential treatments for pigmentation disorders.

Gene network oscillations inside hair stem cells are key for hair growth regulation and could help treat hair loss.

The research suggests that a specific skin gene can be controlled by signals within and between cells and is wrongly activated in certain skin diseases.

Graying hair happens due to aging and might be delayed by new treatments.

The document concludes that there are still unknowns about the effectiveness, risks, and detection of performance-enhancing drugs, and doping remains a challenge.

Older people's sweat glands are less effective at helping skin wounds heal due to weaker cell connections.

Flightless I protein affects hair growth, with low levels delaying it and high levels increasing hair length in rodents.

Lanyu pigs show that partial-thickness wounds can partially regenerate important skin structures, which may help improve human skin healing.

Certain flavonoids help grow back colored hair after skin injury.

The microenvironment, especially mechanical forces, plays a crucial role in hair growth and could lead to new treatments for hair loss.

The new hydrogel is good for wound dressing because it absorbs water quickly, has high porosity, can release drugs, fights bacteria, and helps wounds heal with less scarring.