Pro Living Keto Most patients use alcohol-based disinfectant wipes or alcohol-based chemicals to clean their finger before pricking. Instead, try only soap and water. Alcohol has astringent properties, which tightens the skin and makes it difficult to obtain a blood sample.By taking daily measurements, it's easy to get used to using the same finger and the same place on that finger - to test your blood sugar. This leads to calluses and scars. This is often overlooked by patients because the…