SOME BY MI AHA.BHA.PHA 30 Days Miracle Serum is a powerful serum infused with 10,000ppm tea tree leaf water and 14.5% centella extract. SOME BY MI AHA.BHA.PHA 30 Days Miracle Serum is a powerful serum infused with 10,000ppm tea tree leaf water and 14.5% centella extract. This serum helps soothe and moisturise. In addition it will minimising pores. SOME BY MI AHA.BHA.PHA 30 Days Miracle Serum delivers gentle yet highly effective exfoliation with AHA to remove dead skin cells and impurities on skin surface. Another hero ingredient, BHA will remove impurities and sebum inside pores; and PHA to prevent moisture loss in skin.