Stick to just one new treatment a week and do a spot test on a small area before using all over the face. Whatever the cause of your facial redness, here are some simple home treatments that are both gentle and effective. Against the bacteria involved in acne. Fish oil supplements and probiotics can be helpful. The most important aspect of an anti-redness diet is to reduce systemic inflammation. I very often recommend doing nothing at all topically, simply treating internally with herbal remedies and dietary changes.