According to the public health network, Diyueduo Whitening Essence was used 1 time in the morning and evening respectively. After cleansing and toning in the morning and evening, take out a proper amount of essence and evenly apply it to the face, gently massage until it is absorbed. Diyueduo Whitening Essence is a whitening product, which uses the latest whitening technology to help skin smooth, reduce pigmentation, improve uneven skin tone and make skin brighter.