7 citations
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September 2014 in “European Journal of Dermatology” This study found a significant positive correlation between hair thickness and growth rate, with a notably slower growth rate observed in men with male pattern hair loss compared to healthy controls.
28 citations
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October 1992 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” In this study, Scalp Immersion Proxigraphy (SIP) was shown to produce more accurate measurements of linear hair growth rate than crude phototrichogram techniques, suggesting SIP's suitability for clinical trials monitoring hair growth.
11 citations
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November 2015 in “Skin Research and Technology” This study found that individuals with patterned hair loss, both male and female, showed a slower linear hair growth rate compared to controls with hair of equal thickness.
July 2026 in “Dermatology and Therapy” In this study, women experiencing hair thinning who consumed tailored botanical-based nutraceuticals saw significant increases in linear hair growth rate and other hair health parameters over 90 and 180 days, supporting their effectiveness across different life stages.