Development of a Stiffness ‐Angle Law for Simplifying the Measurement of Human Hair Stiffness

ConclusionThe theoretical results using the Stiffness‐Angle law agree with the visual examinations of hair exposed to caffeine, and also the known results of hair stiffness from a previous report. Our evaluation method combined with our proposed Stiffness‐Angle Law effectively provides an accurate and inexpensive evaluation technique for measuring bending stiffness of human hair.This article is protected by copyright. All rights reserved.

Source: International Journal of Cosmetic Science - January 25, 2018 Category: Dermatology Authors: I.K. Jung, S.C. Park, Y.R. Lee, S.A. Bin, Y.D. Hong, D. Eun, J.H. Lee, Y.S. Roh, B.M. Kim Tags: Original Article Source Type: research