works great [SEP] i just recieved my vitam c power serum today and i could not ait to try it so i ran to the bath room and washed my face to try my new product and as soon as i put it on i could feel the tingleing sensation immideately and my face is already starting to tighten i am very impressed with this product and i will for sure be purchasing this item again i recieved this item at a discounted or free charge for my honest opinion and reveiw