Brand from Taiwan: Dr.Hsieh. The classic version of the essence uses a high-concentration traditional raw material formula design, high concentration, fast effect, directly acting on the skin surface, and relatively high irritation.Suitable for oily, dry, normal and combination skin.Promote skin keratin renewal, unclog pores and improve rough and dull skin, effectively remove acne and improve large pores.AHA: Lactic Acid + Pyroglucolic Acid + Glycolic Acid, quickly penetrates to strengthen and renew the skin, making the skin smoother and more even-toned.PHA: Glucolactone, exerts excellent moisturizing effect, rejuvenates the skin while maintaining moisture.How to use:After cleansing the face and lotion, apply an appropriate amount on the face and massage gently until the skin absorbs it.