ASCORBIC acid has been found to have a marked inhibitory effect on urease activity. With some preparations of the enzyme, the formation of ammonia from urea is completely inhibited by a ...

This article critically reviews leading cosmeceutical ingredients, including niacinamide, retinoids, vitamin C, hyaluronic ...

Looking for magic in a bottle? Just a few drops of these expert-recommended vitamin C serums will make your skin look brighter, healthier, and younger in no time.