I use a variety of whitening serums, but I decided to buy Chamomilla ET so I could use it generously when my skin is sensitive. I've only used it about twice so far, so I don't know the effectiveness, but I really like the feel and I like it. I use about three times the recommended amount, and since it has the same viscosity as lotion, I use it instead of lotion. My skin gets dry from indoor air conditioning, so this might be good for moisturizing in the summer and preventing blemishes!