The product is good, but their customer service is awful. Have been waiting for my purchase for 3 weeks now, got some apologetic emails, they seem to have forgotten to send it. Better to order their product from multi-brand online retailers.
This is the first product review I have ever made, 24hours ago I used Ren Bio Retinoid anti wrinkle concentrate oil for the first time. Having followed the instructions to the letter I was extremely worried the following morning to wake up with 3 large lumps on my face that were all very sore to the touch. I have since developed many more spots on my face since the initial application. Please seriously consider the side effects of this product before using as it has been a very painful experience and not one I would wish anyone else to experience!!
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