“The biggest concern with consumers about hair care is breakage,” said Trefor A. Evans, Ph.D., institute fellow at TRI Princeton and long-time Cosmetics & Toiletries scientific advisor.

During his presentation on day three of the IFSCC Congress, in the “Hair Care Technology” session, Evans first questioned what the reason for breakage is. “We all know that hair is remarkably strong when we test it,” he said, adding “however, we do recognize that when a material fails, it’s usually at its weakest link.”

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