January 1974 in “Nippon Nōgei Kagakukaishi/Nihon Nougei Kagakkaishi” Applying L-methionine and L-serine to the skin promotes the most hair growth.
5 citations
,
September 2024 in “Life” Natural products can safely and effectively treat various human diseases.
The natural compound VB-1, found in a Chinese herb, can promote hair growth by boosting cell activity in human skin cells.
46 citations
,
November 1963 in “Journal of Histochemistry & Cytochemistry” Arginine converts to citrulline in hair follicles as proteins harden.
April 2022 in “Jurnal Penelitian Farmasi dan Herbal” Patchouli leaf extract hair tonic at 15% concentration is best for treating hair loss.
Tropical herbs have potential for cosmetics but need more research and standardization.
October 2007 in “European Neuropsychopharmacology”
28 citations
,
May 2020 in “BMC plant biology” The study concluded that three enzymes are important for plant development by affecting sugar composition and calcium binding in plants.
6 citations
,
October 2019 in “Jo'jig gonghag gwa jaesaeng uihag/Tissue engineering and regenerative medicine” Rice bran extract boosts melanin production in hair follicles.
November 2024 in “Majalah Farmasetika” The natural hair dye gel with 12% Eleutherine bulbosa extract effectively colors bleached hair dark brown and is stable and non-irritating.
2 citations
,
June 1985 in “PubMed” Ethylenthiourea is toxic to the liver and nervous system, especially with alcohol.
9 citations
,
April 2019 in “International Journal of Molecular Sciences” Kojyl cinnamate ester derivatives can promote hair growth by increasing adiponectin production in fat tissues.
11 citations
,
January 2016 in “Evidence-based Complementary and Alternative Medicine” Rice bran extract can increase melanin production and may help treat melanin deficiency.
19 citations
,
March 1961 in “Nature” A fatty acid/protein complex in human hair helps protect it from damage.
18 citations
,
June 2016 in “Clinical and Experimental Dermatology” Increasing isoleucine intake improved skin and health issues in an infant with maple syrup urine disease.
17 citations
,
April 2017 in “International Journal of Biological Macromolecules” Monoolein-alginate beads help heal wounds by controlling moisture and effectively delivering adenosine to the skin.
February 2026 in “Endokrynologia Polska” Early diagnosis and treatment are crucial for managing Berardinelli–Seip syndrome.
March 2026 in “Food Science and Biotechnology” Blue honeysuckle fruit extract helps hair grow by activating a specific signaling pathway.
16 citations
,
October 2009 in “Xenobiotica” The tested hair dye ingredients do not form harmful oxidized metabolites in the liver.
10 citations
,
January 2018 in “Functional Foods in Health and Disease” Black raspberry extract may help with hair growth, skin whitening, and weight loss.
2 citations
,
January 1981 High temperatures and certain chemicals can significantly change the amino acid content in human hair.
5 citations
,
September 2018 in “International journal of genomics” Genetic mutations that disrupt homocysteine breakdown lead to increased damage in mouse hair keratin.
4 citations
,
October 2018 in “Skin appendage disorders” Co-washing is gentler on hair but can cause residue buildup.
January 2026 in “Colloids and Surfaces B Biointerfaces” A silicone treatment makes damaged hair more water-resistant and stronger.
November 2024 in “Research Journal of Pharmacognosy and Phytochemistry” Herbal shampoos are safer and effective for hair care compared to chemical shampoos.
October 2022 in “Journal of the American Academy of Dermatology” "Clean" shampoos use fewer allergenic preservatives than traditional ones but still contain fragrances, and their actual risk of causing skin reactions is unclear.
3 citations
,
January 1982 in “Australian journal of biological sciences” Ethionine significantly inhibits wool growth in sheep but not hair growth in mice or rats.
15 citations
,
September 2013 in “Pharmaceutical Biology” Jujube fruit extract may reduce kidney damage from ibuprofen in rats.
1 citations
,
December 2021 in “Jurnal Insan Farmasi Indonesia” Pomade with 12% ethanol extract of Momordica charantia L. leaves promotes the most hair growth.
Platelet-derived extracellular vesicles can boost hair growth by activating a specific signaling pathway.