Here's to looking 30 when you're 40! WHAT IS pH AND WHAT DOES IT HAVE TO DO WITH YOUR SKIN- Here's a little chemistry recap. The pH level of the skin refers to how acidic or alkaline it is. On a scale of 1-14, with 1 being the most acidic to 14 being the most alkaline, 7 is considered a neutral reading for your skin's pH. Our skin has a thin, protective layer on its surface, referred to as the acid mantle. The acid mantle is an effective form of protection, but if your pH le