551 citations
,
November 2013 in “Nature” Certain mature cells in mouse lungs can turn back into stem cells to aid in tissue repair.
264 citations
,
January 2008 in “Journal of biomedical optics” Zinc oxide nanoparticles in sunscreen do not penetrate deep into the skin.
208 citations
,
January 2013 in “Lab on a Chip” The Multi-Organ-Chip improves the growth and quality of skin and hair in the lab, potentially replacing animal testing.
173 citations
,
January 2014 in “Nature Cell Biology” Wnt signaling controls whether hair follicle stem cells stay inactive or regenerate hair.
128 citations
,
September 2003 in “Journal of Ethnopharmacology” Hibiscus rosa-sinensis leaf extract helps hair grow longer and faster.
124 citations
,
January 1993 in “The Prostate” Finasteride effectively inhibits 5α reductase, while plant extracts like Permixon and Bazoton don't show significant results.
103 citations
,
January 2009 in “Carbon” Pure carbon nanotubes are safe for mice, but impure ones cause immune issues and hair loss.
82 citations
,
May 2009 in “BJCP. British journal of clinical pharmacology/British journal of clinical pharmacology” Caffeine penetrates human skin in lab tests similarly to real-life conditions, but actual skin use is still essential for accurate results.
60 citations
,
April 2003 in “Biomaterials” Controlled release of growth factors in hydrogels improved hair growth in mice.
47 citations
,
April 2012 in “Analytical and Bioanalytical Chemistry”
46 citations
,
August 2003 in “The journal of investigative dermatology/Journal of investigative dermatology” Phosphatidic acid may help hair grow by affecting cell growth pathways.
46 citations
,
October 2022 in “Biomaterials”
39 citations
,
November 2015 in “Nanomedicine” Improved Finasteride delivery for hair loss treatment.
39 citations
,
November 2013 in “European journal of pharmaceutics and biopharmaceutics” Massage increases how deep both rigid and flexible liposomes can go into skin, with flexible ones going deeper, and covering the skin (occlusion) helps rigid ones more.
38 citations
,
March 2019 in “International Wound Journal” A new skin treatment using a patient's own cells healed chronic wounds effectively and was preferred over traditional grafts.
35 citations
,
January 1990 in “PubMed” Cyclosporin A boosts hair growth in nude mice, but minoxidil does not.
34 citations
,
September 2020 in “Clinical, cosmetic and investigational dermatology” Hyaluronic acid increases collagen synthesis safely, while poly-L-lactic acid may cause complications by affecting fibroblasts.
34 citations
,
December 1991 in “Annals of the New York Academy of Sciences” The conclusion is that small hair follicles cause baldness in macaques, and treatments like antiandrogens and minoxidil can prevent hair loss and promote regrowth.
33 citations
,
October 2006 in “European Journal of Immunology” The CD44-CD49d complex boosts T cell activation and survival in autoimmune disease.
32 citations
,
January 2008 in “Journal of Microencapsulation” Cosmetics with hinokitiol-loaded nanocapsules were found to effectively promote hair growth.
29 citations
,
January 1996 in “Journal of Pharmaceutical Sciences” Finasteride poorly inhibits type 1 5AR, affecting its effectiveness.
27 citations
,
July 2008 in “The Journal of Steroid Biochemistry and Molecular Biology” The new compounds may be more effective and cheaper than current treatments for conditions like baldness.
27 citations
,
November 2005 in “Archives of Dermatological Research” Choosing hair follicles at the same growth stage leads to more consistent hair growth experiments.
26 citations
,
April 2011 in “Skin Research and Technology” In vivo confocal scanning laser microscopy is an effective, non-invasive way to study and measure new hair growth after skin injury in mice.
26 citations
,
December 2009 in “Laser Physics” Caffeine from shampoo penetrates hair follicles quickly and stays for at least 24 hours.
25 citations
,
January 2015 in “World journal of stem cells” Hair follicle stem cells can become different cell types and may help treat neurodegenerative disorders.
25 citations
,
January 2013 in “Journal of Industrial and Engineering Chemistry” Some herbal extracts, especially when used in cubosomal suspensions, were as effective as Minoxidil in promoting hair growth.
25 citations
,
December 2008 in “Journal of Dermatological Case Reports” In vivo reflectance confocal microscopy is useful for evaluating hair shaft diseases but needs improvement for deeper hair follicle issues.
25 citations
,
September 2005 in “International Journal of Developmental Neuroscience” Morphine increases testosterone breakdown in the rat brain and spinal cord.
24 citations
,
February 2007 in “Laser Physics Letters” Caffeine shampoo penetrates hair follicles deeply and stays for up to 48 hours.