In the past, there were few products that were made by a dermatologist or a skincare company that were approved for use on the skin, so the products you were recommended to buy were usually manufactured by someone who had not seen any patients. This is why many dermatologists and skincare companies are selling their products, but don't have any direct experience with people who use them. Today, a lot of dermatologists, skincare companies, and dermatologists are making products for people who use their products, and are more experienced with the products that they offer. In addition, many people are taking the time to do their own skin research on the internet to find products that will help them with their skin. I have written many reviews on many products on this website and the products I have reviewed are from reputable manufacturers. It's not just about trying products to find what works for you and you want to find the best product for you. It's also about making sure you have the information needed to make informed decisions. If you haven't done your homework, it is very easy to end up getting a product that is ineffective for your skin and doesn't work for you.