Hair Analysis to find compatible foods and household products for YOUR body "Let food be thy medicine and medicine be thy food” The Compatibility Hair Test uses modern technology to measure your body’s compatibility against over 600 foods, bathroom, laundry and kitchen products at a cellular level. It will identify exactly what foods and products you should be avoiding (affecting you on a subtler level than standard  intolerance or allergy testing). When ordering online, be sure to choose "Pick-up from Naturology Studio"