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Polyquart H-81
Has anybody any experience with this? It’s a condensed polyglycol polyamide resin. One interesting thing is that it’s a “pseudo-cationic” and supposedly OK in an anionic shampoo such as one based on SLES or ALS. I’ve tried it at 1% and 2% so far in a shampoo based on ALS-CAPB and it has quite a noticeable effect, adding lustre and anti-frizz. It’s not expensive either, around $10 / kg.
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