36 citations
,
December 2016 in “Journal of The American Academy of Dermatology” The normal range for the hair pull test is 2 hairs or fewer, and washing or brushing hair before the test does not affect the results.
January 2013 in “Juntendo Medical Journal” Understanding the normal hair cycle and different types of hair loss is important for maintaining healthy hair.
11 citations
,
September 1973 in “Canadian Journal of Botany” Calcium is essential for normal root and root hair growth in oats.
166 citations
,
July 1999 in “American Journal Of Pathology” The hairless (hr) gene is essential for normal hair follicle function and its mutation leads to hair loss.
53 citations
,
August 2005 in “The Journal of Cell Biology” Sgk3 is essential for normal hair follicle growth and maintenance.
30 citations
,
October 2010 in “Biochemical and biophysical research communications” The Gsdma3 gene is essential for normal hair development in mice.
25 citations
,
April 2015 in “Journal of Investigative Dermatology” GasderminA3 is important for normal hair cycle transitions by controlling Wnt signaling.
18 citations
,
March 2016 in “Journal of Investigative Dermatology” Vitamin D and calcium are essential for normal hair growth.
13 citations
,
February 2019 in “Zoology” Lustre mutant sheep have normal hair structure and proteins but differ in felting properties.
5 citations
,
February 2007 in “Cytology and genetics” Gene expression regulates keratin production for normal hair growth.
4 citations
,
March 2024 in “Developmental Dynamics” ALX4 is crucial for normal craniofacial and hair development, with specific roles in different cell types.
4 citations
,
January 2016 in “Annals of dermatology/Annals of Dermatology” Iron supplements can restore normal hair color in cases of premature graying linked to iron deficiency.
October 2025 in “International Journal of Homoeopathic Sciences” Homeopathy helped restore normal hair color in a 5-year-old with premature greying.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” MEF2C is crucial for normal hair cycle progression.
December 2022 in “Biochemical and Biophysical Research Communications” HtrA2 activity is crucial for normal hair growth by regulating fat cell development.
April 2012 in “Development” Rac1 is crucial for normal hair structure and pigmentation.
August 2005 in “The Journal of Cell Biology” Sgk3 kinase is essential for normal hair growth in mice.
29 citations
,
April 2003 in “Experimental dermatology” Human hair follicles grown in vitro maintain normal keratin patterns and structure.
26 citations
,
December 1999 in “Journal of the American Academy of Dermatology” The normal-mode ruby laser effectively reduces facial hair for a long time with few side effects.
14 citations
,
January 1999 in “Dermatology” Hair shedding in children is normal and increases with age.
169 citations
,
May 2006 in “Genes & Development” Keratin 17 is crucial for normal hair growth by regulating hair cycle transitions with TNFα.
146 citations
,
May 2002 in “The American journal of pathology” Cathepsin L is essential for normal hair growth and development.
144 citations
,
December 2004 in “Molecular Endocrinology” The vitamin D receptor is essential for normal hair growth, even without its usual binding.
92 citations
,
April 2009 in “Journal of Investigative Dermatology” The Celsr1 gene is crucial for normal hair patterning in mice.
53 citations
,
February 2015 in “Journal of Investigative Dermatology” Ceramide Synthase 4 is essential for normal hair growth and preventing hair loss.
45 citations
,
May 2003 in “Journal of Cell Science” α3β1-integrin is crucial for maintaining normal hair follicle shape and function but not needed for the development of the surrounding skin.
43 citations
,
August 2008 in “Regenerative Medicine” Scientists created early-stage hairs from mouse cells that grew into normal, pigmented hair when implanted into other mice.
37 citations
,
January 2010 in “Journal of Clinical Investigation” N-WASP is essential for normal hair growth in mice.
35 citations
,
January 2011 in “Journal of Biological Chemistry” sPLA2-X is crucial for normal hair growth and follicle health.
25 citations
,
November 2020 in “Proceedings of the National Academy of Sciences” HoxC genes are crucial for normal hair and nail development.