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Zinc oxide nanoparticles in sunscreen do not penetrate deep into the skin.

A new method quickly creates controllable cell clusters for tissue engineering and drug testing.

Chitin and chitosan are useful in cosmetics for oral care, haircare, and skincare, including UV protection and strength improvement.

The skin is a complex barrier for drug penetration, but understanding its structure and interactions can improve drug delivery methods.

A gene called APCDD1, which controls hair growth, is found to be faulty in a type of hair loss called hereditary hypotrichosis simplex.

Some herbal therapies may help with skin conditions, but more research is needed to confirm their safety and effectiveness.

Researchers created human hair follicles using a new method that could help treat hair loss.

Regenerated fully functional hair follicles using stem cells, with potential for hair regrowth therapy.

Some medicinal plants can help heal wounds and may lead to new treatments.

Nanoparticles improve drug delivery through the skin but more research is needed on their long-term effects and skin penetration challenges.

Microneedles improve drug delivery in various body parts, are safe and painless, and show promise in cosmetology, vaccination, insulin delivery, and other medical applications.

Male hormones affect COVID-19 severity and certain drugs targeting these hormones could help reduce the risk.

Understanding hair follicle anatomy helps diagnose hair disorders.

The skin's internal clock affects healing, cancer risk, aging, immunity, and hair growth, and disruptions can harm skin health.

Selenoproteins are crucial for healthy skin and hair.

Notch/CSL signaling controls hair follicle differentiation through Wnt5a and FoxN1.

Layer-by-Layer self-assembly is promising for biomedical uses like tissue engineering and cell therapy, but challenges remain in material safety and process optimization.

Toxic epidermal necrolysis is a severe skin condition often caused by drugs, with complex treatment and a high risk of death, but survivors usually heal without scars.

LGR5 helps maintain corneal cell characteristics and prevents unwanted changes by controlling specific cell signaling pathways.

Electrospun nanofibers show promise for enhancing blood vessel growth in tissue engineering but need further research to improve their effectiveness.

Fat-derived stem cells, platelet-rich plasma, and biomaterials show promise for healing chronic skin wounds and improving soft tissue with few side effects.

Advanced human skin models improve drug development and could replace animal testing.

Advanced nanocarrier and microneedle drug delivery methods are more effective, safer, and less invasive for treating skin diseases.

Different scaffold patterns improve wound healing and immune response in mouse skin, with aligned patterns being particularly effective.

Nanoparticles can enter the skin, potentially causing toxicity, especially in damaged skin.

Conductive hydrogels show promise for medical uses like healing wounds and tissue regeneration but need improvements in safety and stability.

Glycol chitosan hydrogels enable quick, safe 3D cell spheroid formation for various applications.

PLGA-based microneedles are promising for safe and effective skin delivery of drugs and vaccines.

Graft-versus-host disease is a complication where donor immune cells attack the recipient's body, often affecting the skin, liver, and gastrointestinal tract.

Photothermal hydrogels are promising for infection control and tissue repair, and combining them with other treatments could improve results and lower costs.