A pricey pick for sure, Defenage's formula is Dr. Bucay's "go-to serum with niacinamide for anyone wanting to improve the signs of sun damage." THE REVIEW: "I have been using this for a little over two weeks now and it’s already made such difference for my sensitive rosacea face," https://lekekartkrem16936.mpeblog.com/53416286/niacinamide-serum-no-further-mystery