349 citations,
January 2005 in “The FASEB journal” Human skin can make serotonin and melatonin, which help protect and maintain it.
195 citations,
December 2009 in “Journal of Investigative Dermatology” Free fatty acids in sebum boost skin's defense against acne by increasing antimicrobial peptides.
133 citations,
May 2016 in “Cell Host & Microbe” Human dermal fibroblasts are the main cells targeted by a virus that can cause a deadly skin cancer, and a certain inhibitor can effectively block this infection.
102 citations,
April 2014 in “PloS one” Wharton’s Jelly stem cells from the umbilical cord improve skin healing and hair growth without scarring.
90 citations,
February 2001 in “The journal of investigative dermatology/Journal of investigative dermatology” Interleukin-1 increases keratin K6 production in skin cells.
52 citations,
September 2018 in “International Journal of Molecular Sciences” Ginseng and its compounds may help hair growth and prevent hair loss, but more human trials are needed to confirm this.
35 citations,
January 2020 in “Skin Pharmacology and Physiology” The review concluded that keeping the hair-growing ability of human dermal papilla cells is key for hair development and growth.
34 citations,
February 1993 in “Journal of steroid biochemistry and molecular biology/The Journal of steroid biochemistry and molecular biology” Certain 4-azasteroids are effective at blocking the enzyme that processes testosterone in human skin and could help treat acne, excessive hair growth, and male pattern baldness.
33 citations,
October 2013 in “PloS one” Human sweat glands have a type of stem cell that can grow well and turn into different cell types.
31 citations,
August 2015 in “Stem Cells Translational Medicine” Human skin can provide stem cells for tissue repair and regeneration, but there are challenges in obtaining and growing these cells safely.
28 citations,
September 1998 in “Journal of Investigative Dermatology” Two distinct caspases in human skin help with cell death and skin formation.
12 citations,
May 2023 in “EMBO reports” High mTORC1 activity slows hair growth and causes it to lose color.
10 citations,
August 2021 in “Frontiers in cell and developmental biology” Scientists made structures that look like human hair follicles using stem cells, which could help grow hair without using actual human tissue.
9 citations,
March 2019 in “Molecular & cellular proteomics” Reductive stress messes up collagen balance and alters cell signaling in human skin cells, which could help treat certain skin diseases.
9 citations,
August 2015 in “Tissue Engineering and Regenerative Medicine” Human skin cell byproducts can potentially be used to treat hair loss and promote hair growth.
6 citations,
October 2016 in “Journal of Cellular Physiology” Human dermal fibroblasts help microvascular endothelial cells grow, but not vice versa.
4 citations,
January 2022 in “Life” Tissue engineering could be a future solution for hair loss, but it's currently expensive, complex, and hard to apply in real-world treatments.
4 citations,
June 2021 in “Journal of Microbiology and Biotechnology” Ginsenoside Rg4 from ginseng may help hair growth by activating certain cell signals.
4 citations,
January 2019 in “Annals of Dermatology” RE-ORGA, a Korean herb extract, may help prevent hair loss.
4 citations,
January 2011 in “Journal of Cosmetics, Dermatological Sciences and Applications” Vitamin B12 may promote hair growth by affecting certain cell processes.
3 citations,
February 2021 in “FEBS open bio” Camellia japonica extract may improve scalp health and promote hair growth.
2 citations,
May 2023 in “Plants” Allium hookeri extract may help promote hair growth and protect cells from damage.
2 citations,
January 2022 in “Skin Pharmacology and Physiology” Dexamethasone increases the activity of androgen receptors in human skin cells, which may link it to certain types of hair loss.
January 2025 in “Journal of the Korean Society of Food Science and Nutrition” Combining finasteride and black soybean extract better protects hair cells from damage and may treat hair loss effectively with fewer side effects.
July 2024 in “International Journal of Molecular Sciences” Nannochloropsis salina fermented oil may help treat hair loss by promoting hair growth and reducing oxidative stress.
July 2024 in “International Journal of Molecular Sciences” The inhibitor DPP can promote hair growth.
Ganoderma lucidum extract may help treat stress-related hair loss.
March 2024 in “Advanced science” A new hydrogel made from human cells improves wound healing by working with immune cells to promote repair.
October 2023 in “Ho Chi Minh City Open University Journal of Science - Engineering and Technology” Human hair follicle cells have specific features.
October 2023 in “Applied sciences” Iris germanica rhizome-derived exosomes help protect skin cells from oxidative stress and aging.