'Testing Tactics in Hair' Column Series — An Index of Works by Trefor Evans, Ph.D.
From 2013-202, adviser and columnist Trefor Evans, Ph.D., wrote the column series, "Testing Tactics in Hair" for Cosmetics & Toiletries, covering methods to measure damage, treatments, claims and more. This is an index of his works.
Source: cosmeticsandtoiletries.com