Usually the medicines are primarily developed for efficacy and may have side effects. However, they are controlled by medical professionals such as pharmacists and doctors.
On the other hand, the cosmetics are less effective than pharmaceuticals, but are developed for the general public who are the product consumers. They can improve the skin texture and absorption remarkably.

In a related development, the cosmetics can satisfy the consumers' expectation and need the functional efficacy in collaboration with the pharmaceuticals by taking advantage of the medicinal properties.

K.Belle's collaboration can provide specific guidelines such as how long and how to use them, depending on the various skin symptoms and conditions of the consumers.