March 2012 in “Hair transplant forum international” Environmental factors and chemicals might affect hormone balance and contribute to common hair loss.
January 2025 in “American Journal of Medical and Clinical Research & Reviews” Cosmetics can contain harmful chemicals that may cause health issues.
5 citations
,
January 2021 in “Journal of Saudi Chemical Society” Watercress oil may promote hair growth by activating specific receptors.
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.
April 2025 in “Journal of Pharmaceutical Investigation” Low-dose rapamycin microdepots can help regrow hair by activating certain cell processes.
18 citations
,
January 2019 in “Experimental Dermatology” Certain cells outside the hair follicle's bulge area can quickly regenerate damaged hair follicles, potentially helping to reduce hair loss from cancer treatments.
October 2023 in “Oncotarget” Apoptotic cells help cause hair follicle cell death during regression.
January 2020 in “Elsevier eBooks” Plant-based chemicals may help hair growth and prevent hair loss but need more research to compete with current treatments.
89 citations
,
April 2015 in “Materials Science and Engineering C” Keratin-based hydrogels from human hair improve wound healing effectively.
11 citations
,
June 2013 in “PubMed” The automated flat iron can permanently straighten hair without chemicals, especially at 154°C, and silicone improves the results.
2 citations
,
January 1981 High temperatures and certain chemicals can significantly change the amino acid content in human hair.
20 citations
,
March 2013 in “Journal of Lipid Research” The research explains how a human enzyme binds and processes its substrate, which could relate to its role in biological functions and hair loss.
October 2015 in “Cosmetic Dermatology” Hair straightening changes hair structure and can cause damage if done wrong, but improvements in the methods are expected to continue.
3 citations
,
June 2007 in “Journal of Cosmetic Dermatology” Using the right hair care products can improve hair health and help manage hair disorders.
1 citations
,
September 2013 in “Elsevier eBooks” Hair ages and thins due to factors like inflammation and stress, and treatments like antioxidants and hormones might improve hair health.
7 citations
,
March 2019 in “Journal of cosmetic dermatology” African hair has the most lipids, while Caucasian hair is more hydrated and stronger.
January 2025 in “Journal of Pharmacognosy and Phytochemistry” The Aloe vera and Fenugreek hair mask improves hair health and reduces hair problems safely.
25 citations
,
April 2021 in “npj Regenerative Medicine” Mathematical modeling can improve regenerative medicine by predicting biological processes and optimizing therapy development.
24 citations
,
January 2015 in “Evidence-based Complementary and Alternative Medicine” Polygonum multiflorum can promote hair growth when taken orally or applied topically.
1 citations
,
November 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” Quantifying hair shape is better than using racial categories for understanding hair characteristics.
25 citations
,
April 2015 in “Current problems in dermatology” Hair regrowth slows with age and can be affected by treatments that change enzyme activity in the skin.
2 citations
,
December 2019 in “Textile Research Journal” L-cysteine and ultrasound successfully improved rabbit hair fibers for industrial use.
1 citations
,
September 2022 in “Molecules” Fructus Malvae may help with diabetes, tumors, and hair loss due to its various active compounds.
December 2025 in “Therya notes” Bats in Puebla, Mexico, show hair loss likely due to environmental stress from human activities.
May 2024 in “Journal of functional foods” Coffee bean residue extract helps hair growth by activating cell processes.
42 citations
,
January 2009 in “Colloids and Surfaces B: Biointerfaces” A certain surfactant sticks to human hair, making it change from water-repelling to water-attracting, which could help in hair conditioning.
26 citations
,
February 1998 in “Chemico-Biological Interactions” Scientists identified three genes important for processing certain brain chemicals, thyroid hormones, and medications.
9 citations
,
January 2017 in “Organic Process Research & Development” In 2017, a new method was created to efficiently produce a topical antiandrogen, a compound used to treat excess sebum and acne, with a high yield and purity.
5 citations
,
April 2005 in “Journal of applied polymer science” PEI diffuses into hair at a constant rate, and urea speeds up this process.
3 citations
,
July 2020 in “Synthetic and Systems Biotechnology” Scientists improved an enzyme to better produce a hair growth-promoting chemical from an immunosuppressant.