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Acidic sandy clay damages archaeological hair the most, while dry conditions preserve but make it brittle; silicone oil can help keep the hair flexible.

The document explains how to make antibacterial microneedles inspired by lamprey teeth to help heal infected wounds.

Microneedles with traditional Chinese medicine can help regrow hair in androgenic alopecia.

Scaffold-based strategies show promise for regenerating hair follicles and teeth but need more research for clinical use.

Inorganic-based biomaterials can quickly stop bleeding and help wounds heal, but they may cause issues like sharp ion release and pH changes.

Hair transplants are usually safe but can rarely cause scalp AVF, which can be effectively treated with surgery or endovascular methods.

3D bioprinting is useful for making tissues, testing drugs, and delivering drugs, but needs better materials, resolution, and scalability.

The new finasteride delivery system using chitosan-based nanoniosomes shows promise for prostate cancer prevention.

Polyurethane dressings show promise for wound healing but need improvements to adapt better to the healing process.

The new hydrogel helps heal burn wounds better than current options by reducing bacteria and inflammation.

A synthetic octapeptide may help promote hair growth and counteract hair loss.

A new, quick method was developed to analyze skin lipids, discovering a new ceramide subclass.

Creating fully functional artificial skin for chronic wounds is still very challenging.

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

Chitosan, a natural substance, can be used to create tiny particles that effectively deliver various types of drugs, but more work is needed to improve stability and control of drug release.

No single treatment is clearly effective for central serous chorioretinopathy.

Nanoparticles improve drug delivery and effectiveness in treating inflamed skin.

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.

New nanocarriers improve drug delivery for disease treatment.

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

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

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

The hydrogel speeds up burn wound healing and promotes tissue regeneration.

Combined arsenic and low oxygen stress alters root growth to help plants absorb nutrients.

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.

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

New dissolving and implantable microneedle patches have been created for a long-lasting, non-invasive delivery of the drug finasteride.

Nanoparticles added to natural materials like cellulose and collagen can improve cell growth and wound healing, but more testing is needed to ensure they're safe and effective.