Brand from Japan: Dr. K. This highly penetrating whitening lotion is like a vitamin supplement that you drink through your skin, and has been developed with the latest research to address not only blemishes caused by mask rashes, but also age spots, dullness, pores, and acne caused by exposure to UV rays and stress.It contains a high concentration of the active ingredient vitamin C derivative.In addition, it contains the skin-beautifying power ingredients glutathione and niacinamide, which have a synergistic effect with vitamin C and 10 types of vitamins, whose effectiveness has been confirmed in clinical studies.It conditions stressed skin, has a refreshing feel, and fills every corner of the stratum corneum with moisture, leading to firm skin with less noticeable pores.How to use:After washing your face, take an appropriate amount (about the size of a 500 yen coin) onto clean palms and apply evenly to the entire face.Apply additional layers to areas prone to dryness.