For the best result for your whitening regime,look for some of the following ingredient. Kojic Acid-Used to lighen skin.It is a tyrosinase inhibitor,which reduce the production of melanin,the cause if skin darkening. Licorice Extract-Absorbs UVa and UVB rays.It is also a de-pigmentation agent and inhibits the production of melanin. Aleo vera- This absorbs UV light,which would account for its mild skin lightening abilities