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Improving solubility of Vit C face serum
Hi! I am currently trying to formulate a face serum with ascorbic acid, hyaluronic acid and aloe vera.
Firstly, as the serum will be packed in powder form, I was wondering if B-cyclodextrin could be used to increase the solubility rate? Or is there any better option? I am already at 0.1% hyaluronic acid (Just checking, this is an effective concentration, right? I am using the normal MW form as I do not have the LMW form) but slight clumping still occurs due to the gelling.
If B-cyclodextrin can be used, what concentration should I use?
Secondly, I have read some undesirable articles on the interactions between ascorbic acid and niacinamide (Vit B3) but conclusions have been not clear. If I were to add a 2% niacinamide to my formulation, would it be advised?
Thank you!
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