Higher PD-1 levels mean fewer CD8+ T cells in alopecia areata hair follicles.
62 citations
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November 2009 in “Aging Cell” Hedgehog signaling helps keep hair follicle stem cells the same in both young and old human skin.
2 citations
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August 2023 in “Marine drugs” Collagen from tilapia scales may improve hair and skin health by reducing stress and inflammation and encouraging hair growth.
April 2023 in “Journal of Investigative Dermatology” Higher PD-1 levels are linked to fewer immune cells in hair follicles in alopecia areata.
43 citations
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November 2012 in “Pharmaceutical research” Fractional CO2 laser treatment significantly boosts drug and nanoparticle skin absorption, especially through hair follicles.
April 2024 in “Skin health and disease” Using a special skin cream with gabapentin helped reduce symptoms of a certain scalp condition but didn't change nerve fibers or skin chemicals.
December 2019 in “Buletin de psihiatrie integrativă” Skin treatments can improve both skin health and emotional well-being, but they require careful management of patient expectations and potential addiction risks.
9 citations
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June 2017 in “The American journal of dermatopathology/American journal of dermatopathology” The study found increased skin pigmentation and variable melanocyte density in a patient with Addison's disease.
142 citations
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September 2020 in “Journal of neurophysiology” Young adults have about 230,000 tactile nerve fibers, decreasing 5-8% per decade with age.
1 citations
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January 2020 in “Veterinariya Zootekhniya i Biotekhnologiya” Long-haired cats have thinner skin where hair is thicker, and all have unique collagen patterns.
June 2025 in “Frontiers in Bioengineering and Biotechnology” Recombinant collagen with nicotinamide boosts hair growth and health.
January 2025 in “Diagnostics” 3D high-frequency ultrasound can help diagnose skin and hair conditions without invasive biopsies.
12 citations
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January 1994 in “PubMed” Elastic fiber arrangement in mammal skin varies by hair density and body region.
June 2023 in “Plastic and Reconstructive Surgery – Global Open” Exosomes may improve skin, scars, hair growth, and fat grafts in plastic surgery, but more research is needed.
72 citations
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December 2012 in “Expert Opinion on Drug Delivery” Niosomes are promising for skin drug delivery, offering benefits like improved drug penetration and stability.
15 citations
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June 2011 in “Journal of Investigative Dermatology” Overexpressing 14-3-3σ in mice skin reduces cell growth and hair density.
48 citations
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January 2012 in “The journal of investigative dermatology/Journal of investigative dermatology” Chemokine signaling is important for hair development.
January 2025 in “Indian Journal of Dermatopathology and Diagnostic Dermatology” Nevus sebaceous is identified by unique skin changes, including thickened skin, fewer hair follicles, and many sebaceous glands.
2 citations
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November 2017 in “Journal of Cosmetic Dermatology” Injecting platelet-rich plasma under the skin significantly improves hair growth and quality without harmful effects.
June 2024 in “Stem cell research & therapy” Regenerative medicine shows promise for treating skin disorders like hair loss and vitiligo.
September 1998 in “Journal of The European Academy of Dermatology and Venereology” Aging affects hair density and skin health, and Behcet's disease, a complex condition with no specific test, involves sores and systemic issues, treated with various medications.
2 citations
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May 2018 in “PubMed” Follicular Unit Extraction should be limited to preserve donor hair density and avoid side effects.
April 2024 in “Journal of applied cosmetology” Botulinum toxin shows promise for treating skin conditions but needs more research for safety and effectiveness.
January 2005 in “Boletín del Instituto de Estudios Giennenses” The test product significantly improved hair growth and reduced hair fall without causing skin issues.
3 citations
,
August 2020 in “PubMed” Platelet-rich plasma (PRP) is effective in treating various skin conditions and improving hair density, thickness, and patient satisfaction, with lower relapse rates for Alopecia Areata.
1 citations
,
January 2021 in “SSRN Electronic Journal” Transplanted hair follicles can improve and remodel mature scars.
2 citations
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February 2025 in “PLoS ONE” Key proteins influence wool quality by affecting hair follicle development in sheep.
33 citations
,
January 2021 in “Aesthetic Surgery Journal” Low-Level Light Therapy (LLLT) is a safe and effective method for skin rejuvenation, acne treatment, wound healing, body contouring, and hair growth, but more well-designed trials are needed for confirmation.
September 2018 in “CRC Press eBooks” Hair and nail disorders can cause changes in scalp pigmentation, especially with sun exposure and alopecia.
5 citations
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June 2016 in “Dermatologic Surgery” Hair restoration for East Asians should consider their unique characteristics like head shape, hair thickness, and hair density, and use modified procedures and treatments to minimize scarring and maintain hair density.