It is a molecule that your body produces naturally in the liver
Antal MC
I've used up ampoules that are long out of date and have been subjected to fluctuating heat (terrible for wine!) due to being in my car, etc, and haven't noticed any difference
Your optimal dose depends on body weight, baseline hormone levels, metabolic status, and individual receptor sensitivity
Just FYI, not all centella on an ingredient list is the same
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