
Alison Pawlus, Ph.D., Aveda/The Estée Lauder Companies
Aging is a common denominator across not just cultures but substrates. Here, Alison Pawlus, Ph.D., of Aveda, describes a test based on cell senescence to measure the effects of aging in hair and identify ways to mitigate them. This excerpt is adapted from a podcast. To hear more, visit CosmeticsandToiletries.com/multimedia.