By clearing pores of excess oil and dead skin cells, it can help prevent the formation of acne lesions and is even effective against cystic acne forms. 3. Anti-Aging: Mandelic acid stimulates ...

When you check your makeup in the mirror, only to spot a giant you-have-no-idea-what bump ... you definitely should not be picking them. Cystic acne occurs very deep under the skin's surface ...