233 citations
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February 2018 in “Polymers” Chitin and chitosan are useful in cosmetics for oral care, haircare, and skincare, including UV protection and strength improvement.
224 citations
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March 2006 in “Seminars in Cutaneous Medicine and Surgery” The document concludes that understanding hair follicle biology can lead to better hair loss treatments.
223 citations
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January 2014 in “International Journal of Molecular Sciences” The conclusion is that proper signaling is crucial for hair growth and development, and errors can lead to cancer or hair loss.
209 citations
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September 2008 in “Dermatologic Therapy” Androgens can both increase and decrease hair growth in different parts of the body.
196 citations
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March 2016 in “Nature Communications” Genetic factors influence hair traits like shape, color, and greying in Latin Americans.
194 citations
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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.
193 citations
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January 2015 in “International journal of trichology” Dermatologists need to understand hair products to treat hair and scalp issues better.
191 citations
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May 2018 in “British journal of dermatology/British journal of dermatology, Supplement” Alopecia areata is likely an autoimmune disease with unclear triggers, involving various immune cells and molecules, and currently has no cure.
176 citations
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January 2003 in “Journal of Investigative Dermatology” Bone Morphogenetic Proteins (BMPs) help control skin health, hair growth, and color, and could potentially be used to treat skin and hair disorders.
174 citations
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April 2005 in “The American journal of pathology (Print)” Capsaicin, found in chili peppers, can slow down hair growth by affecting skin cells and hair follicles.
145 citations
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November 2018 in “Nature Communications” The Sonic hedgehog pathway is crucial for new hair growth during mouse skin healing.
127 citations
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June 2008 in “British Journal of Clinical Pharmacology” Low doses of some substances can be beneficial, while high doses can be harmful or toxic.
119 citations
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July 2016 in “Annals of the New York Academy of Sciences” Vitamin D has potential benefits for cancer prevention, heart health, diabetes, obesity, muscle function, skin health, and immune function, but clinical results are mixed and more research is needed.
100 citations
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September 2017 in “Molecular and Cellular Endocrinology” Male hormones and their receptors play a key role in hair loss and skin health, with potential new treatments being explored.
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October 2000 in “The FASEB Journal” The p75 neurotrophin receptor is important for hair follicle regression by controlling cell death.
85 citations
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October 2006 in “Current opinion in cell biology” Feather growth and regeneration involve complex patterns, stem cells, and evolutionary insights.
84 citations
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October 2014 in “PLoS Genetics” Wnt signaling is essential for forming the skin's spinous layer through a BMP-FGF pathway.
82 citations
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May 2009 in “Development” EGF and KGF signalling prevent hair follicle formation and promote skin cell development in mice.
81 citations
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June 2012 in “European journal of human genetics” Inherited ichthyoses cause widespread skin scaling and thickening due to gene mutations.
81 citations
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January 2006 in “Journal of cellular physiology” Mice without the vitamin D receptor gene lose hair due to disrupted hair follicle cycles.
77 citations
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June 2017 in “Advances in Therapy” New treatments for Alopecia Areata, like JAK inhibitors, show promise for hair regrowth and are likely to change future treatment approaches.
75 citations
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August 2018 in “Biochemical pharmacology” Targeting the skin's endocannabinoid system could help treat skin disorders.
72 citations
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July 2012 in “Journal of Investigative Dermatology” Mice lacking a key DNA methylation enzyme in skin cells have a lower chance of activating stem cells necessary for hair growth, leading to progressive hair loss.
69 citations
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January 2013 in “Frontiers in Immunology” The FOXN1 gene is crucial for developing immune cells and preventing immune disorders.
69 citations
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August 1999 in “Developmental biology” The nude gene causes skin cell overgrowth and improper development, leading to hair and urinary issues.
68 citations
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May 2018 in “PLOS Biology” Cyclosporine A may help treat hair loss by blocking a protein that inhibits hair growth.
68 citations
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March 2018 in “Biomaterials” Tiny needles with valproic acid can effectively regrow hair.
68 citations
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May 2011 in “European Journal of Dermatology” Acne is caused by genetics, diet, hormones, and bacteria, with treatments not yet curative.
65 citations
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February 2009 in “The journal of investigative dermatology/Journal of investigative dermatology” Anti-acne medications may work by reducing the activity of a protein involved in acne development.
62 citations
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September 2014 in “PLoS ONE” Acne-affected skin has more inflammation-related proteins and bacteria than healthy skin.