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3D-printed microneedles improve drug delivery and diagnostics but face scalability and regulatory challenges.

Cellular flows and tissue mechanics guide feather follicle formation in birds.

Light sheet fluorescence microscopy effectively measures calcium changes in Arabidopsis root hairs.

Using a perfusion system and 3D spheroid culture improves the growth of corneal cell layers for tissue engineering.

Ten miRNAs may play key roles in starting secondary hair follicle development in sheep foetuses.

3D imaging of skin biopsies offers better accuracy but is time-consuming and can't clear melanin.

Certain amino acid analogues can inhibit wool and hair growth and affect fiber strength.

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.

Hair follicles repair 3D injuries using a 2D healing process.

The KRTAP21-1 gene affects wool yield and can help improve wool production.

Activating TLR5 in the gut can extend lifespan and improve health in aged mice.

The document concludes that hair loss is influenced by genetics and other factors, and while treatments like finasteride can help, they have limitations and side effects.

Cynomorium songaricum has many health benefits and could help with hair regrowth.

Hair treatments cause significant structural changes, especially with excessive heat, regardless of ethnicity.

MRI can effectively image skin structures noninvasively.

Keratin's mechanical properties are influenced by hydrogen bonds and secondary structure, and can be improved with the SPD-2 peptide.

The we/we wal/wal mice have defects in hair growth and skin layer formation, causing hair loss, useful for understanding alopecia.

Researchers concluded that "spigo nardo" is the Himalayan plant Nardostachys jatamansi, used historically in medicine and cosmetics, now critically endangered.

Root hair stiffness is mainly influenced by tip compression and turgor pressure.

Hair growth is cyclic and influenced mainly by local factors.

Laser hair removal effectiveness depends on targeting hair structures without harming the skin, and improvements require more research and expert collaboration.

Researchers found that hair shedding happens mostly when new hair is growing and involves a unique process.

Lower acetylation makes chitin nanofibers thinner and more suitable for various uses.

Microemulsions and nanoemulsions can effectively deliver drugs through the skin, but more research is needed to understand their differences and mechanisms.

Hair growth is influenced by hormones and goes through different phases; androgens can both promote and inhibit hair growth depending on the body area.

Adding human hair to clayey soil makes it stronger, even after freeze-thaw cycles, and is eco-friendly and cheap.

Breadfruit is nutritious and has potential health and medicinal benefits, but is currently underused.

Chitosan slows root hair growth and causes a buildup of callose at low concentrations, but at high concentrations, it only inhibits growth without callose buildup.

Herbal depilatories are safer and cause fewer side effects than chemical ones for hair removal.

Longer time setting curls overnight leads to better curl retention.