HAIR TURNED FROM WHITE TO BLACK WITHOUT DYE
 Gray hair appears at the age of 50 and above, however, for many reasons, some people have gray hair too early or too quickly, making them look older than their age and lose confidence in communication. After successful research and testing, physician Doan Van Khanh, director of Long Thuan Private Enterprise, launched the product set "Color Changing Set" with natural ingredients including 1 bottle of color changing essential oil and 2 boxes of fo-ti tea combined with internal and external use, resulting in 70% of products achieving domestic and international certifications such as: ISO-9001, HACCP, C-GMP - ASIAN, ORGANIC, HALA & achieving HVNCLC for many consecutive years.
 Uses:
 Grapefruit essential oil changes color and Polygonum multiflorum tea helps turn gray hair roots black again. In addition, Polygonum multiflorum tea helps purify blood, dissolve kidney stones, nourish the kidneys, strengthen yang, increase vitality, and help you sleep.
 Use:
 - Spray grapefruit essential oil to change color directly onto dry hair once at night, once in the morning, and rinse with clean water at noon without using any other chemicals or shampoos.
 - For Fo-ti Tea, soak 1 filter bag in 100ml of boiling water for 15 minutes for the first drink, then reuse the filter bag and soak it in 500ml of boiling water to drink in 1 session, drink 2 filter bags per day.
 Preserve:
 Store in a cool, dry place, away from direct sunlight.
 Production standards:
 - Color Changing Grapefruit Essential Oil announced number 25/17/CBMP - TG issued by Tien Giang Department of Health on August 29, 2017.
 - Fo-ti Tea announced number 254/2013/YTTG - XNCB issued by the Department of Food Safety and Hygiene on October 1, 2013.