pore refining serum with oleanolic acid contains multiple patented technologies and active ingredients to refine pore size and improve skin smoothness. its pore restructuring formula contains oleanolic acid and lentil seed extract, which can limit pore distortion and slackening by reinforcing the collagen structure of the dermis. mandelic acid, commonly used in a chemical peeling procedures, can effectively diminish the appearance of fine lines and stimulate the skin desquamation process to achieve a smoother skin texture. the special formula not only refines pore size but also proves to be effective in healing all signs of acne vulgaris. when used daily, results can be seen in as little as 1 week and improve with continued use.