60 citations,
May 2014 in “British Journal of Dermatology” Caffeine affects hair growth and health differently in men and women.
October 2024 in “Journal of Plant Growth Regulation” Fusarium sp. strain K-23 helps Arabidopsis plants grow better in salty soil by promoting root hair growth.
September 2001 in “PubMed” The new X-ray technique allows for precise and non-destructive measurement of elements in hair, creating the first database of its kind for a specific ethnic group.
April 2022 in “Research Square (Research Square)” Scientists found out how a medicinal plant makes compounds with health benefits.
22 citations,
September 2000 in “Journal of Investigative Dermatology” 164 citations,
September 2010 in “PLANT PHYSIOLOGY” Nitric oxide helps Solanum nigrum adapt to long-term zinc toxicity by changing root growth and metal balance.
84 citations,
June 2010 in “The Plant Cell” Phospholipase A2 is necessary for the correct placement of PIN proteins in plant roots, affecting root growth.
47 citations,
April 2012 in “The Plant Journal” Phosphorylation of certain parts of the PIN3 protein is crucial for its role in plant root growth and response to gravity.
35 citations,
September 2012 in “PloS one” Two distinct pathways direct proteins to vacuoles in Arabidopsis, affecting root hair growth and protein targeting.
6 citations,
March 2003 in “PubMed” Small amounts of DNA can be found in the hair shaft, especially near the root, but it decreases with hair treatments and washing.
85 citations,
February 1989 in “Journal of The American Academy of Dermatology” Children with loose anagen hair have easily pluckable hair due to root sheath problems, and it might improve without treatment.
72 citations,
June 2019 in “International Journal of Cosmetic Science” 18β-glycyrrhetinic acid from licorice root is good for skin and hair treatments but has absorption challenges.
59 citations,
August 2003 in “Phytotherapy Research” Ginseng, especially red ginseng, helps hair grow by increasing blood flow and energy to hair roots.
31 citations,
August 2018 in “Journal of biomedical nanotechnology” Licorice root-derived nanoparticles target liver cancer cells to improve treatment and reduce side effects.
29 citations,
July 2008 in “Journal of Cutaneous Pathology” Hair root sheaths are more common in non-scarring hair loss and help diagnose the type of hair loss.
25 citations,
July 2016 in “Molecular biology of the cell” A protein in plants needs to bind two lipids to help with root hair growth, and this process is similar across different plant species.
21 citations,
April 2018 in “Journal of Dermatological Science” Cilostazol helps hair grow by making hair root cells grow faster and changing growth factor levels.
20 citations,
November 1968 in “The Lancet” Potassium levels affect blood sugar and insulin during dialysis, and malnutrition changes children's hair roots.
19 citations,
July 1964 in “PubMed” Hair follicle cells become four types: medulla, cortex, cuticle, and inner root sheath.
17 citations,
February 2015 in “International Journal of Molecular Sciences” A special mix from certain skin cells can help hair grow by making hair root cells grow faster and activating growth signals.
5 citations,
January 2006 in “Journal of veterinary medical science” RNA can be extracted from horsehair roots for analysis.
3 citations,
May 2018 in “Journal of nutritional health & food science” Nutritional supplements can help manage hair loss and promote hair growth by strengthening hair roots and countering harmful effects of pollution, smoking, and deficiencies in vitamins and minerals.
2 citations,
March 2011 in “Veterinary Dermatology” FGF18 is present in beagle dog hair follicles, mainly in the inner root sheath.
1 citations,
October 2022 in “Scientific reports” Nestin identifies specific progenitor cells in hair follicles that can become outer root sheath cells.
1 citations,
January 2014 in “Research Journal of Pharmacognosy and Phytochemistry” Hibiscus root extract reduces inflammation in rats.
The document concludes that activating hair roots is important for improving hair growth and preventing hair loss.
Caffeine in Alpecin shampoo may help prolong hair root activity and reduce hair loss.
May 2017 in “Journal of The American Academy of Dermatology” LED light helps human hair root cells grow and prevents them from dying by activating specific growth pathways.
April 2017 in “Journal of Investigative Dermatology” Early and late matrix progenitors in hair follicles create different cell layers, with early ones forming the companion layer and later ones forming the inner root sheath and hair shaft.
April 2017 in “Journal of Investigative Dermatology” The hair follicle dermal sheath is essential for hair shedding and needs to communicate with the outer root sheath for normal hair growth cycles.