I was wondering if anyone could suggest a way to use Vitamin C, Niacinamide, Salycic Acid, hyaluronic acid, Retinoids and Copper Peptides all in one regime? Either by splitting it into AM and PM or doing it on different weekdays? I've been thinking about using the retinoids twice a week maybe. Any thoughts on this, especially on in which order to apply them? Is it even necessary to use all those ingredients?
Thanks for your help.
I didn't find the right solution from the Internet.
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