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December 1991 in “Antimicrobial Agents and Chemotherapy” Dextran sulfate was found to be toxic and ineffective for treating HIV.
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September 2007 in “The American journal of pathology” Chemotherapy damages hair follicles, causing hair loss and other cellular changes.
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November 2002 in “Contact Dermatitis” Many people had severe allergic reactions to a common hair dye ingredient, causing them to seek medical care and miss work.
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February 1989 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” A three-month treatment with a GnRH agonist significantly lowered androgen levels and 5α-reductase activity in men with benign prostatic hyperplasia.
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March 2010 in “Food and Chemical Toxicology” Zizyphus jujuba essential oil can promote hair growth.
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October 2013 in “Dermatologic Surgery” Platelet-Rich Plasma (PRP) increases the number of new hair follicles and speeds up hair formation.
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April 2014 in “Radiation Research” RTA 408 cream protects mice from radiation skin damage.
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January 2006 in “Skin Pharmacology and Physiology” High levels of testosterone and 5α-DHT can lead to cell death in cells important for hair growth.
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November 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” The Foxn1 gene is essential for normal nail and hair development.
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August 1994 in “PubMed” Prolactin and melatonin can stimulate hair growth in Cashmere goat hair follicles, but melatonin may reduce follicle viability over time.
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October 2010 in “Antiviral Therapy” New treatments for Hepatitis C show promise but need more research to confirm their safety and effectiveness for clinical use.
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May 1996 in “American journal of physiology. Regulatory, integrative and comparative physiology/American journal of physiology. Regulatory, integrative, and comparative physiology” Gray seals use more energy and have higher hormone levels during their annual fur-shedding period.
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September 2001 in “Journal of Investigative Dermatology” Cyclosporin A promotes hair cell growth and affects protein kinase C levels.
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August 2008 in “Plant journal” D'orenone stops root hair growth by disrupting auxin transport, but adding auxin can reverse this.
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July 2017 in “International journal of pharmaceutics” Using β-cyclodextrin derivatives improves the solubility and bioavailability of steroidal drugs.
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January 2016 in “Cellular physiology and biochemistry” Epidermal Growth Factor helps hair follicle cells grow and move by activating a specific cell signaling pathway.
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October 2002 in “International Journal of Cosmetic Science” All three shampoos reduced dandruff and hair loss, but ketoconazole and piroctone olamine also made hair thicker.
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July 2016 in “Biomedicine & Pharmacotherapy” Cedrol from Platycladus orientalis leaves may promote hair growth effectively, especially in female mice.
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July 2007 in “Archives of Pharmacal Research” A tripeptide-copper complex may help hair grow by increasing cell growth and decreasing cell death.
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May 2022 in “Baillière's best practice and research in clinical endocrinology and metabolism/Baillière's best practice & research. Clinical endocrinology & metabolism” Androgens like testosterone are important hormones for both men and women, made differently in each sex and affecting the body by regulating genes and quick interactions with cell components.
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January 2018 in “Vitamins and hormones” DHEA affects various tissues by interacting with multiple receptors and can be converted into sex hormones.
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December 2006 in “Journal of medicinal food” Morinda pubescens fruit extract helps wounds heal faster in rats.
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March 2020 in “BMC plant biology” Graphene oxide and indole-3-acetic acid together inhibit root growth in Brassica napus L. by affecting multiple plant hormone pathways.
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March 2012 in “Journal of Analytical Toxicology” THCCOOH levels in hair decrease from root to tip and don't match well with self-reported cannabis use.
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August 1992 in “The Journal of Clinical Endocrinology and Metabolism” Finasteride doesn't affect hormone levels in normal men.
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August 2018 in “Dermatologic Surgery” Platelet-Rich Plasma (PRP) may help improve hair density in primary cicatricial alopecias (PCAs) patients, but more trials are needed to confirm its benefits.
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March 2007 in “E-Journal of Chemistry” Herbal formulations with certain herbs can boost hair growth as effectively as minoxidil.
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October 2007 in “Experimental Dermatology” L-Carnitine-L-tartrate may help hair grow and prevent hair loss.