Noun
English Wikipedia has an article on:Glucono delta-lactoneWikipedia
gluconolactone (uncountable)
(organic chemistry) The lactone of gluconic acid
As an aside, for the past week I’ve been using a 14% gluconolactone gel-cream and for the first time in more than a year my skin is actually starting to feel normal instead of tight, sensitive, and dehydrated. Source: Internet
Maybe if I end up really liking gluconolactone after my experience with Sebiaclear Active I might go the DIY route with it too. Source: Internet