31 citations,
December 2012 in “British Journal of Dermatology” Korean women's hair thins, weakens, and greys with age, with mineral and sterol changes.
Cold-pressed rapeseed oil is most resistant to oxidation and certain oils may reduce chronic disease risk; consumers like the taste of pumpkin oil best.
2 citations,
December 2021 in “ScienceRise” The best way to extract oil from Urtica dioica roots is by using corn oil, a 1:5 ratio of raw material to extract, extracting for 6 hours, and using the maceration method.
1 citations,
September 2023 in “Molecules (Basel. Online)” Plant sterols have health benefits like lowering cholesterol, but more research is needed to understand their effects and improve their extraction and sustainability.
46 citations,
January 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” Mice lacking Insig proteins had hair growth problems due to cholesterol buildup, but this was fixed by the drug simvastatin.
87 citations,
March 2014 in “Biochimica et Biophysica Acta (BBA) - Molecular and Cell Biology of Lipids” Cholesterol sulfate buildup due to a genetic mutation disrupts the skin barrier, leading to the scaling skin seen in X-linked ichthyosis.
391 citations,
November 2015 in “Journal of Clinical Lipidology” The guidelines suggest lifestyle changes, diet adjustments, and personalized medication to manage dyslipidemia and reduce heart disease risk.
47 citations,
May 2021 in “Polymers” Jojoba oil is highly valued for its diverse medicinal and industrial uses.
Pumpkin roots contain compounds like Alpha-spinasterol, squalene, and palmitic acid, which may have health benefits like reducing depression, treating certain cancers, and having antibacterial properties.
18 citations,
December 2021 in “Foods” Seaweeds contain beneficial compounds with potential uses in food, cosmetics, and health, but more research is needed to improve extraction and safety.
April 2017 in “Journal of Investigative Dermatology” Cow milk sugars increase fat production and inflammation in skin oil cells.
18 citations,
June 2017 in “Proceedings of the National Academy of Sciences of the United States of America” A gene called Gk5 controls lipid production in the skin and affects hair growth.
November 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” Disrupted cholesterol production impairs hair follicle stem cells, leading to hair loss.
95 citations,
February 2018 in “Dermatology and Therapy” Nutraceuticals may improve skin health and protect against aging, but more research is needed on their optimal use and possible health risks.
5 citations,
April 2014 in “Journal of Lipid Research” SCD1 inhibitors can cause skin issues in rodents.
23 citations,
June 2010 in “Journal of Investigative Dermatology” A mutation in the Soat1 gene causes hair structure defects and other health issues in AKR/J mice.
2 citations,
March 2017 in “Veterinary dermatology” Herbal paste and oil extract might improve dog hair quality by retaining lipids.
May 2024 in “Food bioscience” Wood sterol may help reduce hair loss caused by a high-fat diet.
39 citations,
April 2020 in “Clinical, Cosmetic and Investigational Dermatology” Asian hair is generally straight and thick, with unique disorders and properties, and more research is needed to understand it fully.
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.
7 citations,
March 2019 in “Journal of cosmetic dermatology” African hair has the most lipids, while Caucasian hair is more hydrated and stronger.
44 citations,
July 2011 in “Dermato-endocrinology” Thyroid hormone affects skin health, with too little causing rough, pale skin and too much leading to smooth, thin skin, and may also impact wound healing and skin conditions.
19 citations,
September 1995 in “Food and nutrition bulletin” Leucaena leucocephala is nutritious but needs careful processing to remove toxins.
1 citations,
February 2014 in “Analytical Letters” The method accurately measures the amount of ketoconazole in anti-dandruff shampoo and cream, and can also be used to monitor the drug in human plasma.
2 citations,
July 2023 in “Cosmetics” Surfactants in shampoos and conditioners remove some but not all lipids from hair, and more research is needed to understand their full impact.
2 citations,
May 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” Sebaceous glands can heal and regenerate after injury using their own stem cells and help from hair follicle cells.
1 citations,
March 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” NAC1 controls certain enzymes that reduce root hair growth in Arabidopsis.
1 citations,
January 2015 in “Journal of nutrition & health” Fish oil improves skin health in people with diabetes and high cholesterol.
October 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” Immune cells are essential for early hair and skin development and healing.
May 2021 in “Letters in Applied NanoBioScience” Pranlukast and mirabegron may work as new diabetes drugs.