For blemish and dark spots problems that are caused by disorder melanin pigments, mostly resulting from the Sun and UV radiation as well as dark spot caused by acne, Vetamin C Serum can effectively reduce those dark pigments. However, for those who have severe problems or have been experiencing those problems for a long time, it may require sometimes to see the result. The crucial practice along with using Vetamin C Serum is the use of Sunscreen during the day even in shading areas. For freckles caused by aging may not significantly response to the use of Vetamin C Serum.

Inflamed skin from acne, skin rash or allergic is very weak and fragile. Those weak areas are more sensitive and more prone to irritation than usual. So it is not safe to use any cosmetics. The correct practice is to have the problem skin treated before start using cosmetics.