I'm not sure where to start, but I will say that my initial appeal for this product (and brand in general) are the minimal ingredients in ALL of their products. I have very sensitive skin, and none of the kossma products give me any sort of issues or reactions. Typically actives (vitamin Cs included) in other brands always give me dermatitis or some sort of skin irritation, this TDH does not. I also use this with the vitamin C booster (powder from Kossma) and Im obsessed!! I had some hyperpigmentation I've been working on. I used to use hydroquinone, acids, etc. (all the heavy duty skincare ingredients in typical skincare) all that did is cause irritation and make the hyperpigmentation worse. Since I've been using these product I've noticed my skin has slooowly improving without any reoccurrence of the hyperpigmentation. Just placed my next order!! I actually use this serum + powder vitamin c every night without any issues. I cannot recommend enough. Also will not cause breakouts as the squalane oil moisturizes without clogging pores. Hope this helps!
