Ever since I started using "Skin White Serum" about 3 months ago, I am seriously "addicted" to it. The skin whitening effects are so amazing. I have a really dark brown-black skin tone, so I never thought that I could have a fairer looking complexion. But with your skin lightening serum, this dream is finally attained!! My complexion must be at least 1 shade lighter and I couldn't be happier!!