February 2019 in “Journal of the Faculty of Agriculture Kyushu University” Terpene concentrations in coniferous trees are highest in spring and summer, making these seasons best for extracting essential oils.
59 citations,
February 2012 in “Journal of Dermatological Science” Environmental factors at different levels control hair stem cell activity, which could lead to new hair growth and alopecia treatments.
February 2020 in “The Pharmaceutical Society of Japan” 14 citations,
March 2016 in “PloS one” Spaceflight changes how genes work in astronauts' hair follicles, possibly affecting hair growth.
12 citations,
January 1981 in “Springer eBooks” Environmental factors like temperature and nutrition affect hair growth, with humans showing seasonal hair growth differences.
256 citations,
October 2013 in “Proceedings of the National Academy of Sciences of the United States of America” Growing human skin cells in a 3D environment can stimulate new hair growth.
74 citations,
January 2013 in “Expert Opinion on Biological Therapy” The conclusion is that hair growth can be improved by activating hair cycles, changing the surrounding environment, healing wounds to create new hair follicles, and using stem cell technology.
21 citations,
May 2022 in “Frontiers in Cell and Developmental Biology” Hair growth and health are influenced by factors like age, environment, and nutrition, and are controlled by various molecular pathways. Red light can promote hair growth, and understanding these processes can help treat hair-related diseases.
2 citations,
October 2015 in “Indian journal of science and technology” SM-215 promotes hair growth by improving the environment around hair follicles.
January 2024 in “Biomaterials Research” 3D-cultured cells in HGC-coated environments improve hair growth and skin integration.
January 2018 in “Figshare” Melatonin helps Cashmere goat hair follicles grow by affecting genes and cell signals important for their development and environment.
14 citations,
December 2020 in “Journal of Investigative Dermatology” Aging causes changes in the scalp that can affect hair growth and lead to older-looking hair in women.
14 citations,
January 2020 in “PloS one” Timing of light therapy affects horse coat growth, with photoperiod being crucial.
11 citations,
March 2016 in “Cell cycle/Cell cycle (Georgetown, Tex. Online)” Old hair follicles grew better when moved to a young environment.
Both changes in genes and environmental factors like diet and toxins can significantly affect the growth of skin appendages like hair, but how these factors interact is still unclear.
135 citations,
December 2013 in “Seminars in Cell & Developmental Biology” Stem cells in the hair follicle are regulated by their surrounding environment, which is important for hair growth.
20 citations,
May 2020 in “Experimental Dermatology” Aging scalp skin contributes to hair aging and loss, and more research is needed to develop better hair loss treatments.
29 citations,
September 2012 in “Dermatologic Clinics” Hair disorders are caused by a complex mix of biology, genetics, hormones, and environmental factors, affecting hair growth and leading to conditions like alopecia.
64 citations,
January 2009 in “The International journal of developmental biology” Hair follicle stem cells are controlled by their surrounding environment.
173 citations,
August 2015 in “Developmental cell” The study identified unique genes in hair follicle cells and their environment, suggesting these genes help organize cells for hair growth.
April 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” Researchers developed a method to grow human hair follicles using 3D-printed skin models and modified cells.
40 citations,
January 2018 in “International journal of trichology” Healthy scalp reduces hair loss by managing oxidative stress.
2 citations,
June 2022 in “Cells” 3D cell cultures are better for testing hair growth treatments than 2D cultures.
23 citations,
December 1991 in “Annals of the New York Academy of Sciences” Balding scalps slow down hair growth.
5 citations,
November 2020 in “Frontiers in Cell and Developmental Biology” The "Two-Cell Assemblage" assay is a new, simple method to identify substances that may promote hair growth.
3 citations,
January 2021 in “Journal of Bioscience and Bioengineering” Sweet potato shochu oil and its components may effectively promote hair growth.
April 2024 in “The journal of phytopharmacology” Orchid callus extract can help hair grow and may be used in eco-friendly hair products.
April 2018 in “Journal of Investigative Dermatology” Minoxidil didn't significantly increase hair growth in minipigs.
August 2022 in “Yakugaku zasshi” Using a steam towel, l-menthol, and carpronium before applying minoxidil nanoparticles can increase its absorption and potentially improve hair growth.
September 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” Changing the structure of the hair follicle's environment can affect hair quality but doesn't stop hair growth.