Proactiv Solution products are very popular as effective solutions for pimples. However, it is not the only effective over the counter acne treatment product in the market. There are also other types and brands of acne solutions which are worth a try. Let us take a look at two very useful acne treatment products, proactiv and retin-a. According to proactiv reviews, significant relief of acne is not the only thing that can be achieved by this brand. It is also extremely effective in making sure that no new zits are developed. When it comes to comparing the proactive and retin-a acne treatments, there are several considerations that need to be made. The skin type will cause changes in how people respond to the same acne treatment system. There are different types of strengths of retin-a treatments while proactive products only come with one variety, more like a one size fits all kind.