is found naturally in the skin and provides antiaging and gentle exfoliating benefits without sun sensitivity. Sensitive skin types as well as those who have had recent superficial cosmetic procedures will find comfort in this molecule’s gentle nature. Gluconolactone strengthens the skin’s moisture barrier leaving it more resilient, while also providing potent antioxidant benefits. Gluconolactone is a welcome choice for sensitive skin types or following recent superficial cosmetic procedures where the skin can be more sensitive. Gluconolactone is kind of an acid, even though you would probably not guess it from its name.It’s a PHA, or polyhydroxy acid. PHAs are close relatives to the famous AHAs,both in terms of similar chemical structure and similar effects on the skin.