If your using it for the first time. You should slowly incorporate it to your skin care. 1x a week and then 2x a week. If you already did that then I think it really isn&#39;t for you. 

I broke out so badly it was crazy even after two months of not using my skin isn&#39;t back to normal. Maybe I&#39;m just sensitive to it? It&#39;s my first time using niacinamide and I didn&#39;t have a rxn on my skin patch test but it was crazy on my face

I heard good reviews for this product and i was excited to try it, maybe it&#39;ll work with more use?

Apotheke Science - Yanacoro review for Niacinamide 5%

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