211 citations,
April 2013 in “Development” More dermal papilla cells in hair follicles lead to larger, healthier hair, while fewer cells cause hair thinning and loss.
The skin is a complex barrier for drug penetration, but understanding its structure and interactions can improve drug delivery methods.
211 citations,
February 2009 in “European journal of pharmaceutics and biopharmaceutics” Hair follicles help absorb and store topical compounds, aiding targeted drug delivery.
210 citations,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair color production in mice is closely linked to the hair growth phase and may also influence hair growth itself.
209 citations,
September 2008 in “Dermatologic Therapy” Androgens can both increase and decrease hair growth in different parts of the body.
207 citations,
April 2006 in “Journal of The American Academy of Dermatology” Iron deficiency may be related to hair loss, but there's not enough evidence to recommend iron screening or supplements for all hair loss patients.
205 citations,
March 2012 in “Science Translational Medicine” PGD2 stops hair growth and is higher in bald men with AGA.
205 citations,
April 2005 in “Journal of Investigative Dermatology” Scientists have found a way to create hair follicles from skin cells of newborn mice, which can grow and cycle naturally when injected into adult mouse skin.
205 citations,
July 2009 in “Journal of Dermatological Science” Male and female skin differ in many ways, which could lead to gender-specific skin treatments.
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.
202 citations,
June 2005 in “Aaps Pharmscitech” Lecithin organogels could be good for applying drugs to the skin because they are stable, safe, and can improve drug absorption.
199 citations,
April 2010 in “Nature” A gene called APCDD1, which controls hair growth, is found to be faulty in a type of hair loss called hereditary hypotrichosis simplex.
195 citations,
November 2019 in “Clinica Chimica Acta” High levels of male hormones, insulin resistance, and obesity are closely linked and worsen polycystic ovary syndrome, but more research is needed to improve treatments.
195 citations,
January 2008 in “Photochemistry and Photobiology” Visible light can damage skin and most sunscreens don't block it well; more research is needed on its effects and protection methods.
193 citations,
February 2015 in “Nature Communications” Fungi-produced compounds can change plant root growth.
192 citations,
April 2019 in “ACS nano” A new microneedle patch made from hair proteins helps regrow hair faster and better than current treatments.
191 citations,
February 2002 in “Archives of Dermatology” Some herbal therapies may help with skin conditions, but more research is needed to confirm their safety and effectiveness.
185 citations,
December 2011 in “Molecular and cellular endocrinology” Skin cells produce and activate vitamin D, which regulates skin functions and supports hair growth.
184 citations,
November 2014 in “Developmental Cell” Hair follicle dermal stem cells are key for regenerating parts of the hair follicle and determining hair type.
184 citations,
December 2018 in “Nature Communications” Researchers created human hair follicles using a new method that could help treat hair loss.
183 citations,
January 2018 in “Cosmetics” Essential oils in cosmetics can offer benefits but may cause allergies and should be used carefully.
182 citations,
August 2016 in “Development” ATP-dependent chromatin-remodeling complexes are crucial for gene regulation, cell differentiation, and organ development in mammals.
176 citations,
August 2000 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” Hormone treatments in transsexual individuals reduce hair growth and oil production in male-to-females and increase them in female-to-males.
176 citations,
April 2011 in “Science” Hair stem cell regeneration is controlled by signals that can explain different hair growth patterns and baldness.
173 citations,
January 2014 in “Nature Cell Biology” Wnt signaling controls whether hair follicle stem cells stay inactive or regenerate hair.
171 citations,
July 2007 in “Journal of Investigative Dermatology” A substance called DKK-1 increases in balding areas and causes hair cells to die when exposed to DHT.
170 citations,
July 2012 in “Journal of Investigative Dermatology” Wnt ligands are crucial for hair growth and repair.
170 citations,
September 2019 in “Evidence-based Complementary and Alternative Medicine” Some medicinal plants can help heal wounds and may lead to new treatments.
169 citations,
September 2010 in “Molecular & cellular proteomics” Pectin biosynthesis is essential for the growth of cotton fibers and Arabidopsis root hairs.