The Purest Solutions - AlissonK review for Intensive Pore Tightening and Lightening Serum (Niacinamide 5% + Zinc PCA 1%)

Very good niacinamide serum, I was surprised by its rusty colour (probabky from the zinc pca), all my other niacinamide serums where clear/transparent. 5% is a bit of a low percentage for me, but even this low concentration is working. The texture is nice + it mixes well with other products