they need a happy home (good terrain- acidic and low oxygen for bad bacteria and mites ect) and lots of food (excess sugar)to have babies. So what you put on your skin isn't as important as what you put in your body. The body needs to be alkaline, with many raw fruits, veggies, soaked nuts and seeds. But also we need to tap into the free negative electrons from the earth, through barefooting and grounding in our home. This brought my inflammation way down. I had a rosacea since I was 13. Today, my skin is creamy and glowing.