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Vitamin C powder stays stable when mixed fresh with serums, avoiding oxidation and fridge dependence for daily skincare routines.Freshly mixing vitamin C powder with existing serums bypasses stability concerns, offering maximum potency without fridge storage hassles for efficient skincare. ascorbic acid stabilityreal reviews -
Customers question bottle fill level, unaware of necessary airspace for safe vitamin C oxidation prevention per manufacturer guidelines.Reviewers initially complain about bottle capacity until learning the vacant space intentionally prevents oxidation and gas-related risks through proper shaking technique. ascorbic acid stabilityreal reviews
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Customer verifies authentic Vitamin C via NB support, confirms Amazon’s direct supply and recommends pill splitting for easier consumption.Authentic Vitamin C verified via manufacturer, updated cap design clarified, Amazon confirmed as direct seller. Tablet-splitting tip included with Prime shipping praise. ascorbic acid stabilityreal reviews
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