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Type: Article
Section: Cosmetic Ingredients > Conditioning
Efficacy
Industry Insight: Testing the Most Efficient Color Shampoo/Conditioner Duos
In this "Industry Insight," Sabina Wizemann, senior chemist of the Health, Beauty and Environmental Sciences Lab at the Good Housekeeping Institute has evaluated shampoo and conditioner pairs to identify the best performers for hair dye retention. In a recent interview, she explained how she tests these products, analyzes their efficacy and claims, and which duos exemplified the highest efficacy, compared with other products.
Literature/Data
Comparatively Speaking: Complexation vs. Coacervation in 2-in-1 Shampoos
Hair care traditionally involves cleansing with anionic or amphoteric surfactants, rinsing, then using a conditioner with cationic surfactant and cetyl and stearyl alcohol. Combining these as 2-in-1 products is not easy but complexation and coacervation approaches can achieve such.
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