Question: How can we add a cationic polymer to an anionic product, like shampoo, body wash, or facial cleansers?

I can’t remember who asked it where, but someone asked me: How can we add a positively charged or cationic ingredient like polyquaternium 7 or Honeyquat to a negatively charged or anionic surfactant blend, like a shampoo or body wash? Great question! Let’s recap a bit of the chemistry for a second. (Check out this…

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