Soothing Serum Formula Check
Hi! Stephanie here, new to the forum - thank you all for accepting my request. Appreciate any help you all can give.
I am new to formulating serums and wanted to screen my formula for a soothing/moisturizing watery serum, below. I have very reactive skin so am moving away from anything super harsh and only going towards ingredients that have helped me personally. I am hoping to create a few for some friends too, but this is not for sale.
More specifically, I’d love to understand if the gluco/sodium benzoate will be enough preservative-wise or if there are other major callouts you have when making the formula (any pH callouts?). PS. I wanted to include Cucumber Distillate but thought that might be a fluff addition so I removed!
1% LMW HA (0.8 - 1.0M daltons) 1% panthenol 0.50% n-acetyl glucosamine 2.00% allantoin 0.50% glycerin 1.00% propanediol 1,3 2.00% hydroxyethyl cellulose 0.50% gluconolactone and sodium benzoate 1.00% green tea extract 1% centella asiatica extract 1.00% deionized water 90.00%
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