Subscribers’ Q&A: What is the difference in function between Tetrahexyldecyl Ascorbate and Collageneer? Can I add Co Q10?

In the June Q&A, Jaime asked: What is the difference in function between Tetrahexyldecyl Ascorbate and Collageneer? Can they both work in one oil serum. Can I also add Co Q10? From this post: Collageneer (INCI: Helianthus Annuus (Sunflower) Seed Oil and Lupinus Albus Seed Extract) can be used at up to 2% in the cool…

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