Niacinamide Oil Control Serum

so this was my 1st niacinamide serum, i have dry, senstive skin, so my dermatologist told me niacinamide restores moisture, welllll, long story short, it was sticky and dried out my skin, caused...

I wanted straight niacinamide serum for use with my retinoid. I was getting itching from my retinol. So much so I had to use it less. My skin loves nicinamide so much and for the $ I said why not...