January 2021 in “Journal of cosmetology & trichology” The treatment improved hair growth and thickness in patients with hair loss, even 10 months after therapy without additional products.
11 citations,
January 2015 in “PubMed” A specific laser treatment can promote hair growth in mice by increasing certain protein levels.
1 citations,
October 2020 in “PubMed” Azelaic acid helps protect hair cells from UV damage and encourages hair growth by increasing certain gene expressions and proteins.
March 2023 in “Anais Brasileiros De Dermatologia” Topical minoxidil is the best-supported treatment for female hair loss, but personalized plans are needed.
91 citations,
April 2011 in “Journal of Ethnopharmacology” Polygonum multiflorum extract helps grow hair by activating certain hair growth signals in mice.
87 citations,
March 2011 in “Australasian Journal of Dermatology” Genetics and hormones play a role in male and female hair loss, but more research is needed to fully understand it.
May 2017 in “Journal of microscopy and ultrastructure” Water quality affects mineral content in hair, and coconut oil can protect against damage.
92 citations,
June 2005 in “Journal of Investigative Dermatology” All-trans retinoic acid causes hair loss by increasing TGF-β2 in hair follicle cells.
20 citations,
January 2014 in “Journal of Cosmetics, Dermatological Sciences and Applications” Using adipose derived stem cells and growth factors in hair transplants may improve healing and hair growth.
32 citations,
January 2010 in “Dermatology” Combining laser hair removal with topical eflornithine is recommended for better results in treating unwanted facial hair.
13 citations,
April 2010 in “Journal of dermatological science” Chemotherapy-induced hair loss is partly due to decreased laminin-511 and increased laminin-332.
May 2023 in “Frontiers in chemistry” Zolpidem shows up in hair from the top back of the head after one dose and fades over time, suggesting it gets into hair through blood and sweat.
January 2012 in “Postgraduate obstetrics & gynecology” Up to 50% of women may experience significant hair loss by age 50, with various causes and treatments available.
January 2012 in “Postgraduate obstetrics & gynecology” Up to half of women by age 50 experience significant hair loss, with various types and treatments available.
235 citations,
July 1999 in “Journal of biological chemistry/The Journal of biological chemistry” Human hair is made up of different keratins, some strong and some weak, with specific types appearing at various stages of hair growth.
70 citations,
April 1990 in “Journal of The American Academy of Dermatology” Minoxidil treatment increased hair growth for up to 5 years, requiring twice daily application.
8 citations,
December 2003 in “Materials Research-ibero-american Journal of Materials” Polyquaternium 7® builds up on hair, improving its look and feel, and AFM is good for measuring these changes.
8 citations,
September 1958 in “Acta pathologica et microbiologica Scandinavica” Certain treatments can speed up local hair growth in mice but don't change the overall hair growth pattern.
July 2019 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Activin A speeds up ear hair cell differentiation, while Follistatin slows it down.
69 citations,
December 2015 in “Journal of Controlled Release” Nanocapsules can improve clobetasol delivery to hair follicles, reducing side effects.
23 citations,
October 2018 in “Australasian Journal of Dermatology” The current understanding of frontal fibrosing alopecia involves immune, genetic, hormonal factors, and possibly environmental triggers, but more research is needed for effective treatments.
21 citations,
March 2017 in “Skin research and technology” Removing external lipids from hair reduces moisture and increases strength, while removing internal lipids decreases water permeability.
12 citations,
October 1954 in “Textile Research Journal” Hair absorbs alkali bromide salts and water, affecting its structure, with absorption decreasing at higher temperatures.
6 citations,
May 2020 in “Molecules/Molecules online/Molecules annual” Yak belly hair has higher porosity and is less stiff than human hair, making it absorb dye better but less suitable as a direct substitute for hair dyeing.
3 citations,
August 1980 in “Acs Symposium Series” Hair increases in size when it absorbs water, and treatments like bleaching affect how much water it can take in.
14 citations,
January 2012 in “International Journal of Trichology” Hodgkin's lymphoma can show up as hair loss.
6 citations,
February 2018 in “PLOS ONE” Insect wax, especially its policosanol content, may help hair regrow by changing hair follicle phases and increasing nutrient supply.
December 2022 in “American journal of medical genetics. Part A” A person got uncombable hair syndrome from two copies of chromosome 1 from their mother.
9 citations,
July 2021 in “Frontiers in genetics” Melatonin makes cashmere grow earlier and more by increasing certain gene activity in goats.
6 citations,
March 2019 in “International Journal of Molecular Medicine” Finasteride microspheres help reduce hair loss for up to eight weeks with fewer side effects.