How to prepare oats facial scrub in ayurvedic way? http://www.ayurhelp.com/wordpress/oats-facial-scrub/ According to principles of ayurveda ,skin harbors pitta dosha. Vitiation of pitta dosha causes skin problems like acne, pimple, rashes etc. Oats pacify pitta. It soothes skin and reduces irritation. This can be best utilized for home made beauty preparations.