Lactic acid we deal in is functional as a food preservative, advanced curing agent, and an effective flavoring agent. It is functional as an effective ingredient that is added in many processed foods. It is used as a decontaminant that is used for many meat processing. Lactic acid is made commercially by the process of fermentation. It is needed to treat the age spots as well as hyperpigmentation. This is also used in cosmetics for the treatment of uneven complexion. Do use it for an improved skin tone as well as reduction in the pore appearance.