Please make sure your Vitamin C are packaged in dark or opaque bottles. You don’t need to buy a mini fridge, just place them in a large plastic baggie or container according to Dr. Dray (YouTube).
Yes yes & yes. But I want to chime in and say this particular Vitamin c serum is the most shelf stable one I have ever encountered. I have just been storing this in its original bottle at room temp, and it still has not oxidized after all these months!
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