35 citations
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May 2017 in “Journal of Dermatological Science” Stress can cause early aging in certain skin cells, leading to problems with hair growth.
17 citations
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May 2014 in “Naunyn-Schmiedeberg's Archives of Pharmacology” 7-Phloroeckol from brown algae may help hair grow.
27 citations
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March 2014 in “Experimental Dermatology” IGF-1 affects hair loss and could be a potential treatment.
25 citations
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March 2002 in “Folia Pharmacologica Japonica” Minoxidil helps hair grow by improving blood flow and increasing growth factors in hair follicles.
66 citations
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January 2000 in “Hormone Research in Paediatrics” Androgens can both promote and prevent hair growth due to differences in gene expression in hair follicles.
227 citations
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January 1998 in “Journal of Endocrinology” Cells from balding scalps have more androgen receptors than cells from non-balding scalps.
154 citations
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October 1996 in “Proceedings of the National Academy of Sciences of the United States of America” Estrogen affects hair growth and skin cell multiplication.
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April 1995 in “PubMed” Testosterone helps beard and axillary hair cells grow by releasing growth factors from dermal papilla cells.