| Biotin | COSROMA |
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Biotin offered by COSROMA® is called Cosroma® Biotin. Cosroma® Biotin is 98% Biotin. Biotin is also called vitamin B7, it widely exists in all living cells. Biotin is a highly effective skin activating agent. It has excellent transdermal permeability, and...view more
Biotin offered by COSROMA® is called Cosroma® Biotin. Cosroma® Biotin is 98% Biotin. Biotin is also called vitamin B7, it widely exists in all living cells. Biotin is a highly effective skin activating agent. It has excellent transdermal permeability, and it can promote the infiltration of other ingredients. Biotin can prevent and treat skin deficiency, skin disorders, and aging. view less
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