1) I want to know if DEA coco amide is allowed to use in baby shampoo? if yes is 2% is acceptable?
2) for perfume can polyquaternium as 7 and 10 be perfume fixative agent?
3) is it effective to use pq 10 in leave in conditioner? What recommended usage rate for such product? Then is pq 10 compatible with carbopol? @ngarayeva001 @Abdullah @Perry @Paprik @Pharma @Graillotion @ketchito