KB Premium Soap is composed of 5 highest quality ingredients for skin whitening, moisturizing and anti aging. “The Price of Having a Beautiful Whiter Skin!” - モデル KB Premium Soap is composed of 5 highest quality ingredients. As we all know there are so many kinds of whitening soap in the market but which one is really effective and good for our skin? A lot of whitening soaps in the market claim that their product is the best for skin whitening. However, you will never know unless you try the product right? Before we made a good combination of all these active ingredients, we know that one day again some of our competitors will make the same formulations just like our first KB brand GlutaNac (Glutathione Activator with NAC) and KB Rosehips wherein you will see some Multi-National companies or even skin clinics are using NAC (N-acetyl-L-Cysteine) to boost the effect of the Glutathione inside our body.