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Haircare Q&A – Part 3
In this expert Q&A, Dr. Catherine Leray, Account Head of R&D at THG LABS, explores the scientific progress helping define product development across the category. From substantiating longevity claims and cumulative performance benefits to advances in scalp biology, follicular science and bioactive ingredients, she discusses how innovation is focussing less on the hair fibre itself and more about the biological systems that influence long-term hair health.
June 1, 2026