I’m 38 years old with sensitive but clear skin. I ordered the 5 step kit directly from the site. I began to use it and several days in, I purchased this product to try after reading many good reviews. I am 38 years old with clear sensitive skin. Unfortunately, the products broke my skin out terribly and caused nodule like cyst on my skin. I contacted customer service to let them know and to seek guidance. It took serversl days to receive an email. Sandra Starr replied back with a long and lengthy order of how I should stop the produce and then restart it again one product at a time. From the customer side, I did not have any interest in breaking out again, as my cyst were taking a while to heal the product caused. The company also throws the line out that your face will break out when trying something new and to persist with using it. WARNING! You must pay the shipping and handling if you return. This is approx. $35-40 with Fed-Ex. I had a terrible experience with customer service representative Shelby, with her yelling the policy to me over the phone. She also had the audacity to try and tell me my bank would side with the company if I reported it as a fraudent charge. Then proceeded to lie to me that my shipping charge was going to only be $15. Stay away from this company. Products do not deliver as promised for me and service was awful and ridged. They ultimately did not solve my issue or fulfill their so called “promise” of customer service. my face began to break out. Not just surface pimples either, nodule type that take a week to go away. My face was clear before starting. The only product that was safe was the eye cream. It goes on well and feels nice, but didn’t notice any differences after about a week and a half. I emailed customer service with my concerns. They tools serval days to respond. It was recommended I stop using product for 4 days and then slowly try each product separately, one week for each in efforts to find “the problem.” Personally, I don’t wish to invest that much time into a new product to deduce which produce is breaking me out. As far as how the products feel. They feel fine going on skin, however they are not hydrating at all. My skin became dryer than it is naturally. This meant shaving to put more of it on to gain even a little moisture. It did not help cure dryness (which I’ve learned happens with aging skin). I consulted my nurse practitioner who takes care of my skin at a med-spa. She said Korean lines are oil based and it normally takes 6-8weeks for skin to either accept or reject new products. Hence, the 30 day money back guarantee isn’t long enough to truly try and see if your skin will ultimately do well with it. I read a bunch of great reviews about it, but wanted to share my purchase and experience.