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Nanotechnology is improving drug delivery and targeting, with promising applications in cancer treatment, gene therapy, and cosmetics, but challenges remain in ensuring precise delivery and safety.

Skin cell-derived vesicles can help heal skin injuries effectively.

Environmental factors, hormones, nutrition, and stress all significantly affect skin health and aging.

ATP-sensitive K+ channel subunits, particularly Sur2A, play a significant role in various cancers.

Nanoparticles can speed up wound healing and deliver drugs effectively but may have potential toxicity risks.

Thymosin β4 helps improve skin healing and reduce scarring.

The document concludes that rapid identification, isolation, and strict infection control are crucial to manage SARS outbreaks.

Nanofat shows promise for facial rejuvenation and treating skin issues but needs more research for long-term safety.

Fermented soy protein may help prevent bone loss by affecting bone cell activity.

The secretions of mesenchymal stem cells could be used for healing without using the cells themselves.

Tiny particles called extracellular vesicles show potential for improving skin health in cosmetics, but more research is needed to confirm their safety and effectiveness.

Permed hair degrades faster and shows more damage after protease treatment compared to untreated hair.

Hair keratin-associated proteins are essential for strong hair, with over 80 genes showing specific patterns and variations among people.

EGF makes hair follicles grow longer but stops hair production.

The document concludes that understanding how cells in the hair follicle grow and change is important for regulating hair growth.

Synthetic hair implants can cause severe scalp problems and removing them improves conditions; natural hair transplants are safer and more effective.

Marsupial hair structure and keratin distribution are similar to placental mammals.

The 14-3-3σ gene is essential for preventing hair loss.

The KRTAP11-1 gene promoter is crucial for specific expression in sheep wool cortex.

Hair sheds gradually from the follicle, with readiness to shed indicated by less attachment material.

Sunlight damages hair, causing cuticle loss, protein changes, and discoloration.

Researchers created a genetic library from a cashmere goat's skin and found new genes linked to hair growth.

Tan sheep's unique fur traits are determined during the embryonic stage by specific genes.

The conclusion is that substances can penetrate hair fibers through multiple pathways, including both the cell membrane complex and the non-keratinous parts.

Hair care products mainly work on the hair's surface and need professional guidance for use.

Different populations have distinct hair structures related to their ancestry.

Hair is complex, varies in type, and plays a big role in attractiveness and culture.

Damaged hair allows water to penetrate more easily, and fatty acids from shampoos can deposit on hair surfaces.

IL-1 alpha stops hair follicle growth and hair production.

Researchers developed a new model for more realistic computer graphics of hair by considering how light scatters on hair fibers.