Mandelic Serum 15% is the strongest in our Madelic acid serum series.   iSafe and versatile, it shows a marked improvement of many different skin issues.  Due to the larger molecular structure, it takes longer to penetrate the skin surface and is much less irritating than other alpha hydroxy acids.  Mandelic acid inhibits the growth of melanin, the cause of brown patches, freckles, uneven skin tone other sun-related skin issues.   Recommended for use on the back or for oily skin types that need a boost up from 10% Mandelic Serum.   
 
It can be drying so start slowly. Topically it is an excellent exfoliator for clients suffering from Rosacea.