@_rinnrin: !BUT DONT use it often! I had to use mine 1 a week but results are sooo good !!! #ksecret ##darkspot##acnescara##skincare##retinal##darkspots #skincare #skintok #kbeauty #koreanskincare #skincareroutine #7days #retinalserum #acneserum #poreserum #rednessserum