316 citations
,
June 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” Microspheres about 1.5 micrometers in size can best penetrate hair follicles, potentially reaching important stem cells.
305 citations
,
July 2016 in “International Journal of Biological Macromolecules” Polysaccharides have many health benefits and are used in drugs, but isolating and purifying them is complex and requires careful methods.
304 citations
,
July 2006 in “Journal of The American Academy of Dermatology” Videodermoscopy improves diagnosis of hair and scalp disorders and may reduce scalp biopsies.
282 citations
,
April 2007 in “Journal of Agricultural and Food Chemistry” Apple polyphenol, especially oligomeric procyanidins, can reduce fat absorption and lower blood fat levels.
256 citations
,
October 2013 in “Proceedings of the National Academy of Sciences of the United States of America” Growing human skin cells in a 3D environment can stimulate new hair growth.
253 citations
,
March 1994 in “Developmental dynamics” Apoptosis is essential for human skin development and forming a functional epidermis.
248 citations
,
November 2011 in “The EMBO Journal” Wnt1/βcatenin signaling is crucial for heart repair after injury.
207 citations
,
March 2012 in “Development” Skin needs dermal β-catenin activity for hair growth and skin cell multiplication.
205 citations
,
March 2012 in “Science Translational Medicine” PGD2 stops hair growth and is higher in bald men with AGA.
204 citations
,
October 1999 in “EMBO journal” Overexpression of activin A in mice skin causes skin thickening, fibrosis, and improved wound healing.
202 citations
,
August 2017 in “Nature cell biology” Lactate production is important for activating hair growth stem cells.
194 citations
,
March 2003 in “American Journal of Pathology” Stress stops hair growth in mice by causing early hair growth phase end and harmful inflammation through a specific nerve-related pathway.
194 citations
,
May 2000 in “Journal of Investigative Dermatology” The hedgehog signaling pathway is crucial for hair growth but not for the initial creation of hair follicles.
192 citations
,
April 2019 in “ACS nano” A new microneedle patch made from hair proteins helps regrow hair faster and better than current treatments.
184 citations
,
October 2007 in “Proceedings of the National Academy of Sciences of the United States of America” Sulforaphane from broccoli can help protect skin from sun damage.
182 citations
,
December 2017 in “Journal of the American Academy of Dermatology” Some treatments can help with a hair loss condition called alopecia areata, but none ensure lasting results; choices depend on the person, with JAK inhibitors showing promise for severe cases.
166 citations
,
November 1990 in “Journal of Investigative Dermatology” Minoxidil sulfate stimulates hair growth.
165 citations
,
January 2008 in “Journal of biomaterials science. Polymer ed.” The peptide GHK-Cu helps heal and remodel tissue, improves skin and hair health, and has potential for treating age-related inflammatory diseases.
164 citations
,
April 2008 in “Cochrane library” Current treatments for alopecia show no significant long-term benefits.
157 citations
,
October 2003 in “Development” AXR3 and SHY2 genes control the growth and timing of root hair development in plants.
155 citations
,
May 2016 in “Nature communications” Memory T cells in the skin balance staying put and moving into the blood, clustering around hair follicles, and increasing in number after infection.
151 citations
,
February 2007 in “International Journal of Dermatology” Alopecia areata causes hair loss, has no cure, and various treatments exist.
146 citations
,
May 2002 in “The American journal of pathology” Cathepsin L is essential for normal hair growth and development.
144 citations
,
September 2012 in “Genes & development” Aging causes skin stem cells to work less effectively.
140 citations
,
April 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” The enzyme 25 Hydroxyvitamin D 1 α-Hydroxylase is essential for healthy skin and recovery after skin damage.
138 citations
,
June 2012 in “Genes & Development” Sonic hedgehog signaling is crucial for hair growth and maintaining hair follicle identity.
130 citations
,
August 2015 in “Experimental Dermatology” Human hair follicle organ culture is a useful model for hair research with potential for studying hair biology and testing treatments.
127 citations
,
July 2002 in “EMBO journal” Normal skin cell renewal doesn't need RAR signaling, but vitamin A-related skin thickening does.
125 citations
,
September 2001 in “The FASEB Journal” Stress can cause hair loss by negatively affecting hair follicles and this effect might be reversed with specific treatments.
122 citations
,
July 2005 in “The FASEB journal” Hair follicles produce and respond to melatonin, affecting hair growth and sensitivity to estrogen.