188 citations
,
May 2009 in “Plant physiology” Researchers found 19 genes important for root hair growth in a plant called Arabidopsis.
119 citations
,
November 2016 in “American journal of human genetics” Mutations in three genes cause Uncombable Hair Syndrome, leading to frizzy hair that can't be combed flat.
79 citations
,
January 2017 in “Dermatology practical & conceptual” Correcting nutrient deficiencies may help with hair loss, but the benefits of supplements without a deficiency are uncertain and could be harmful.
21 citations
,
September 2021 in “New Phytologist” HB24 helps convert IBA to IAA, promoting root hair growth.
13 citations
,
March 2019 in “Journal of cosmetic dermatology” Heat damages hair, with Asian hair losing more protein than Caucasian hair.
13 citations
,
January 2010 in “Advances in Biochemical Engineering / Biotechnology” Understanding hair biology is key to developing better treatments for hair and scalp issues.
12 citations
,
November 2014 in “PLOS Computational Biology” The study concluded that hair growth in mice is regulated by a stable interaction between skin cell types, and disrupting this can cause hair loss.
11 citations
,
December 2014 in “The American journal of pathology” A gene deletion in mice causes weak protein, immune issues, hair loss, airway problems, and wasting disease.
January 2017 in “Clinical approaches and procedures in cosmetic dermatology” Cosmetic procedures can harm hair, but damage can be minimized with knowledge and care; however, once hair is damaged, it cannot be reliably repaired.
August 2016 in “Journal of Investigative Dermatology” Researchers found a new genetic mutation linked to a hair condition in a Japanese boy.
115 citations
,
August 2008 in “The Journal of Clinical Endocrinology & Metabolism” Thyroid hormones help hair grow, reduce hair loss, and increase hair pigment.
December 2025 in “International Journal of Therapeutic Innovation.” The rice water hair mask effectively moisturizes, strengthens, and protects hair.
1 citations
,
April 2021 in “Han'gug miyong haghoeji/Journal of the Korean society of cosmetology” Aspartic acid at 0.75% makes perms more effective and less damaging to hair.
101 citations
,
November 2019 in “The Plant Cell” AtZP1 protein stops root hair growth in plants by blocking certain genes.
70 citations
,
June 1998 in “Polymer” Permanent waving damages hair by disrupting its keratin structure.
4 citations
,
June 2022 in “Journal of cleaner production” New eco-friendly method strengthens and sets hair using light and causes less damage.
4 citations
,
December 2018 in “Macedonian Journal of Chemistry and Chemical Engineering” A new method accurately measures amino acids in treated hair, showing bleaching reduces amino acids while protein treatments increase them.
13 citations
,
January 1995 in “Journal of the American Institute for Conservation” Researchers developed a less damaging way to extract red dyes from wool using EDTA and DMF, preserving the fiber's strength for further analysis.
April 2008 in “Expert review of dermatology” Mutations in the P2RY5 gene cause hereditary woolly hair.
14 citations
,
March 2022 in “Plant Cell & Environment” The protein AtRXR3 limits root hair growth in Arabidopsis, affecting phosphorus uptake.
13 citations
,
September 2014 in “Journal of photochemistry and photobiology. B, Biology” UV radiation increases protein loss from hair and reduces hair protein quality.
11 citations
,
July 2014 in “Gene” The S250C variant in a gene may cause autoimmunity and immunodeficiency by impairing protein function.
June 2025 in “Frontiers in Bioengineering and Biotechnology” Recombinant collagen with nicotinamide boosts hair growth and health.
February 2024 in “bioRxiv (Cold Spring Harbor Laboratory)” Tandem repeats significantly influence hair color, especially darker shades, across different ancestries.
26 citations
,
June 2000 in “Journal of The American Academy of Dermatology” Men with balding at age 45 had higher IGF-1 and lower IGFBP-3, suggesting these factors might be important in male pattern baldness.
3 citations
,
June 2000 in “Journal of The American Academy of Dermatology” Men with balding at age 45 had higher IGF-1 and lower IGFBP-3 levels, suggesting these factors might influence male pattern baldness.
29 citations
,
December 2005 in “BioEssays” Wnt/ß-catenin signaling is crucial for regulating skin stem cells and hair growth, with the right levels and timing needed for proper function.
50 citations
,
October 2007 in “Archives of Dermatological Research” 42 citations
,
December 2018 in “International Journal of Phytocosmetics and Natural Ingredients” Olive and Brazil nut oils improve hair strength, shine, and softness better than silicone.
7 citations
,
September 2020 in “International Journal of Cosmetic Science” Different sizes of keratin peptides can strengthen hair, with smaller ones possibly increasing volume and larger ones repairing damage.