Does Hydroquinone Need to Be Refrigerated? A Guide to Proper Storage
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3 min read
Over-the-counter hydroquinone formulations can contain up to 2% concentration, while prescription strengths often start at 4% [1.5.1, 1.9.1]. But does hydroquinone need to be refrigerated to maintain its potency and safety? Proper storage is key to its effectiveness.
