85 citations,
October 2007 in “International Journal of Dermatology” Curly hair shape is due to uneven growth patterns in the hair follicle.
82 citations,
May 2009 in “BJCP. British journal of clinical pharmacology/British journal of clinical pharmacology” Caffeine penetrates human skin in lab tests similarly to real-life conditions, but actual skin use is still essential for accurate results.
81 citations,
December 2007 in “Acta materialia” AFM helped show how hair changes under tension and the effects of damage and conditioner.
78 citations,
November 2005 in “Endocrinology” Hairless protein can block vitamin D activation in skin cells.
77 citations,
September 2017 in “Journal of Investigative Dermatology” TRPV3 in skin cells causes inflammation and cell death.
77 citations,
December 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” Human skin cells produce proenkephalin, which changes with environmental factors and skin diseases.
75 citations,
September 2015 in “Acta biomaterialia” Alkylation of human hair keratin allows for adjustable drug release rates in hydrogels for medical use.
72 citations,
February 2011 in “American Journal of Biological Anthropology” The conclusion is that recognizing hair growth cycles can improve the precision of dietary and health assessments from hair analysis.
72 citations,
December 1996 in “Journal of Investigative Dermatology” Human hair follicles can regenerate after removal, but with low success rate.
69 citations,
April 2019 in “Biomedicines” PRP and HF-MSCs treatment improves hair growth, thickness, and density in androgenetic alopecia.