Actives or cosmeceuticals, have three important characteristics that must always be considered. 1) They are active within the skin: in other words, they are doing something! Which means that it has a potential to irritate the sensitive skin. You need to balance the concentration to be both efficacious and tolerable
Quats (Quaternary compounds) are positively-charged (cationic) ingredients that add extra conditioning, moisturizing, and also improve the sensory properties…
