RG3 Premium Shampoo has 2,000 ppm red ginseng extract which is twice more than our regular RG3 Shampoo. It contains 8 natural ingredients to support your hair loss prevention and improve thickness. We only use Red Ginseng from Korea that passed 280 quality testing from KGC Korea Ginseng Cooperation. Our product is proudly made in Korea. There are 821 shampoos for hair loss registered in Korea health department. Out of 821 Anti-hair loss shampoos registered, RGIII is one of 4 shampoos that actually passed the clinical testing of Korea health department.