26 citations
,
August 2007 in “Annals of Anatomy - Anatomischer Anzeiger” Feathers become harder as they develop due to a change in keratin type.
January 2016 in “Texas ScholarWorks (Texas Digital Library)” DORN1 receptor affects eATP-induced stomatal changes but not eADP in Arabidopsis thaliana.
July 2023 in “Turkish journal of veterinary research” Wild boar bristles in Balıkesir vary in length and thickness but are unsuitable for species separation.
12 citations
,
September 1990 in “The Anatomical Record” Human anagen hair follicles have unique carbohydrate patterns during keratinization.
November 2015 in “Indian drugs” The aerial roots of the Ficus benghalensis plant contain flavonoids, phenolics, and saponins.
12 citations
,
February 2017 in “International journal of developmental neuroscience” Female guinea pigs exposed to less allopregnanolone before birth showed more anxiety-like behavior.
January 2018 in “Journal of Food Biosciences and Technology” Garlic and fenugreek may help treat hair loss.
20 citations
,
September 2015 in “Protein expression and purification” Scientists made safflower seeds produce a human growth factor that could help with hair growth and wound healing.
1 citations
,
January 2018 in “Acta dermato-venereologica” A teenager's hair with alternating white and dark bands, known as Pili annulati, is a genetic condition that is usually harmless and often considered attractive.
3 citations
,
February 2002 Low phosphorus increases root hair growth in plants, partly independent of ethylene.
18 citations
,
February 2023 in “Plants” Purple glutinous rice extracts can help whiten skin and reduce aging signs.
1 citations
,
April 2009 in “The Proceedings of the International Plant Nutrition Colloquium XVI” Certain genes may promote longer root hairs in plants when phosphorus is low.
7 citations
,
August 2007 in “Journal of Biotechnology” July 2025 in “Carbohydrate Polymers” The green alga Parachlorella sp. has potential for use in cosmetics and health products due to its antioxidant, anti-hypertensive, and hair growth properties.
5 citations
,
September 2020 in “Molecules” Extracts from three Polynesian plants were found to promote hair growth by affecting cell growth and gene expression related to hair.
54 citations
,
November 2017 in “Scientific Reports” The study found that certain microRNAs are higher in the cells and lower in the fluid of women with a specific type of polycystic ovary syndrome, and one microRNA could potentially help diagnose the condition.
6 citations
,
January 2013 in “Genetics and Molecular Research” Women with hair loss have more androgen receptors in certain hair follicles.
January 2009 in “Elsevier eBooks” Some plant-based treatments may help with ovary function, insulin resistance, and excess male hormones in PCOS, but more research is needed to confirm their safety and effectiveness.
March 2026 in “World Journal of Biology Pharmacy and Health Sciences” The polyherbal hair oil is stable, cosmetically acceptable, and a potential natural alternative to synthetic hair products.
September 2024 in “Digital Commons - University of South Florida (University of South Florida)” Hormones can change ptarmigan feather color from white to pigmented.
January 2021 in “Journal of cosmetology & trichology” Ageratum conyzoides L. extract may effectively and safely treat hair loss.
4 citations
,
January 1886
5 citations
,
September 2014 in “Journal of Pharmaceutical Sciences”
1 citations
,
January 2010 in “Journal of Oriental Medicine” Black bean, wheat, and rice bran extracts can boost hair growth and improve hair quality.
September 2018 in “Fertility and Sterility” African American women have a higher risk of preterm delivery than Caucasian women, and inflammatory stimuli affect gene expression in cells related to PCOS, showing a heightened inflammatory state in women with PCOS.
October 2025 in “Scientific Reports” White grapevine leaves, especially 'Razaki', have high phenolic content, useful for health products.
January 2026 in “Chemistry & Biodiversity” Platycladus orientalis fruit extracts have antioxidant and enzyme-inhibiting properties, useful for health and food applications.
62 citations
,
August 2018 in “Frontiers in Endocrinology” Androgens are important for normal ovarian function and estrogen production, but may not be the main cause of follicle death.
October 2023 in “Journal of food chemistry & nanotechnology” Jujube seeds have many health benefits and could be a valuable natural remedy.
November 2021 in “International journal of biology, pharmacy and allied sciences” Air pollution is a major cause of hair fall, scalp problems, and dandruff.