ORS Organic Root Stimulator Hairestore Hair Mayonnaise is a deep conditioning protein-rich hair treatment that instantly moisturizes the hair. This 16 oz jar is enriched with nettle leaf and horsetail extract for added nourishment and vitality. ORS Organic Root Stimulator Hairestore Hair Mayonnaise is a deep conditioning protein-rich hair treatment that instantly moisturizes the hair. This 16 oz jar is perfect for those looking to nourish and revitalize their hair with natural ingredients like nettle leaf and horsetail extract. With regular use, your hair will be softer, stronger, and healthier.