It is extremely important to understand how these products work in order to fully understand their effects. This article is not about the science behind lightening, but about the effect and use of these products. These products are often very expensive. Most of the products on this site are about $30.00 or more each. However, there is a lot of research that shows these products really do work. This is the reason why these products are listed below. I am not an anti-aging doctor, but I have researched these products extensively, and I am convinced that they really do work for dark skin. If you want to use the products below, follow these steps: 1. Use the product (if you can get a sample for free) and see if it does the job. If it does, it's a great deal! 2. If it doesn't work, contact me with your results and I will be glad to help you. I've been using these products for over a year now, and the results are undeniable. In my opinion, the skin lightening products below are the best ones for lightening your skin. Skin lightening and acne. I have acne, and it usually starts in summer and is pretty intense.