Adjective
Of or pertaining to milk; procured from sour milk or whey; as, lactic acid; lactic fermentation, etc.
Source: Webster's dictionaryAs is known, the sugar molecule as it passes through lactic acid can easily be split by purely chemical means. Eduard Buchner
lactic acid Source: Internet
lactic fermentation Source: Internet
A diversity of yeasts then accumulate in sufficient numbers to help complete the fermentation alongside the lactic acid bacteria. Source: Internet
And if you’re looking for a gentle way to get rid of dark spots, this vegan formula includes a gentle, but effective blend of lactic, glycolic, azelaic, and kojic acids. Source: Internet
As there is very little acid produced by the yeast fermentation, lactic, acetic, or citric acid is often added to the fermentation stage to stabilize the process. Source: Internet