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An explanation of how we came to these new recommendations can be found in Vitamin B12: Rationale for Recommendations
Severe allergic reactions may even cause shock and require immediate medical treatment
Not For Use By Humans
Combining topical products may affect: Scalp irritation Product absorption Formulation stability Application timing Consistency with treatment Professional guidance can help determine whether products should be used together, applied at different times, or avoided based on the condition of the scalp
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