Step-by-step: Tips On How To Use Vitamin C Serum

A 1 oz jar is a very simple approach to package this formulation, but a gentle squeeze tube makes for a lot simpler dishing out. I packaged mine in 2-dram HDPE bottles with a pointed dropper prime using a syringe, and that works well for allotting. I ended up needing three.5 of them for this 30g (1.06oz)…

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