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Description
Lyophilized Powder Ensures maximum stability
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The 7% version has a wider use range (5-30%) and is a great choice for broader formulations like shampoos and conditioners where higher inclusion rates are practical

The honest answer is more nuanced than the marketing suggests, and it depends almost entirely on whether youre actually deficient in the first place
Reducing by 50-100mcg often resolves these issues while maintaining effectiveness
