July 2024 in “Journal of Investigative Dermatology” Human hair follicles have their own thyroid hormone system.
July 2016 in “The journal of investigative dermatology/Journal of investigative dermatology” Scientists created a new 3D skin model from cells of plucked hairs that works like real skin and is easier to get.
43 citations
,
February 2008 in “Journal of cutaneous pathology” Melanocyte precursors in human fetal skin follow a specific migration pattern and some remain in the skin's deeper layers.
4 citations
,
June 2021 in “Dermatology” Scientists created a 3D skin model to study a chronic skin disease and test treatments.
1 citations
,
December 2025 in “Frontiers in Pharmacology” Placental extracts have antioxidant, anti-inflammatory, and immune-boosting effects, but their exact workings are unclear.
June 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” ILC1-like cells can cause alopecia areata by attacking hair follicles.
66 citations
,
December 2014 in “Nature Communications” Fibroblasts can be turned into melanocytes for potential skin treatments.
46 citations
,
October 2023 in “Science Advances” 3D bioprinting can now create skin with hair-like structures for medical use.
26 citations
,
February 2022 in “Journal of pineal research” Melatonin affects skin and hair color and protects skin cells, with potential benefits for hair growth and skin health.
October 2022 in “Experimental Dermatology” New technologies show promise for better hair regeneration and treatments.
64 citations
,
January 2010 in “The FASEB Journal” Prolactin affects the production of different keratins in human hair, which could lead to new treatments for skin and hair disorders.
34 citations
,
February 1993 in “Journal of steroid biochemistry and molecular biology/The Journal of steroid biochemistry and molecular biology” Certain 4-azasteroids are effective at blocking the enzyme that processes testosterone in human skin and could help treat acne, excessive hair growth, and male pattern baldness.
16 citations
,
August 2014 in “Colloids and surfaces. B, Biointerfaces” Lipid-coated silica nanoparticles penetrate human skin more deeply than bare silica nanoparticles.
6 citations
,
January 2023 in “npj regenerative medicine” Transplanting growing hair follicles into scars can help regenerate and improve scar tissue.
2 citations
,
June 2023 in “Clinical Cosmetic and Investigational Dermatology” Using a dexpanthenol ointment after micro-needling speeds up skin healing without affecting benefits.
2 citations
,
September 2020 in “Biomedical materials” Recombinant keratin materials may better promote skin cell differentiation than natural keratin.
July 2023 in “Photodermatology, Photoimmunology and Photomedicine” Infrared radiation can cause skin aging and cancer at high temperatures but may have therapeutic benefits at controlled levels.
18 citations
,
June 2001 in “Journal of Investigative Dermatology” Adding a specific gene to skin cells can help treat skin disorders like psoriasis.
159 citations
,
December 2007 in “American Journal of Pathology” Stress-related substance P may lead to hair loss and negatively affect hair growth.
37 citations
,
February 2007 in “Experimental Dermatology” Increasing PDCD4 protein may help prevent or treat some skin cancers.
November 2025 in “Advances in Education Humanities and Social Science Research” Some cosmetic ingredients can harm health, causing issues like allergies, cancer, and skin problems.
37 citations
,
January 2022 in “Frontiers in Genetics” Aging reduces dermal sheath cells, affecting youthful skin appearance.
17 citations
,
November 2000 in “Journal of Investigative Dermatology” ZPK helps skin cells mature and may affect skin health.
2 citations
,
May 2023 in “Marine Drugs” Marine-derived saccharides may help reduce aging effects on skin and hair by promoting cell growth and collagen production.
November 2025 in “Journal of Investigative Dermatology” TEDAR is crucial for skin cell differentiation and barrier formation.
April 2017 in “Journal of Investigative Dermatology” Fisetin may help treat psoriasis and reduce skin inflammation.
24 citations
,
April 2013 in “PLOS ONE” TNFα, IFNγ, and Substance P significantly affect prolactin levels in human skin, suggesting new treatments for skin and hair conditions.
March 2024 in “Bioimpacts” 400 nm particles penetrate hair follicles best, but mouse models aren't fully reliable for human studies.
32 citations
,
August 2006 in “Archives of Dermatological Research” Dermal papilla cells can help regrow hair follicles.
October 2021 in “Journal of Investigative Dermatology” The study concludes that as skin matures from infancy to childhood, there are major changes in cell differentiation, stemness, and growth, leading to a stronger skin barrier in older children.