Bark of the tree

The bark of the rambutan plant may be used to treat canker sores and also helps in healing of chapped lips; making the lips moist. When you eat rambutans or other foods that are rich vitamin C, you increase your body's natural ability to flush out heavy metals and other toxins as well as to deal with stress. Vitamin C also promotes healthy, youthful skin by scavenging free radicals and by enhancing your body's ability to produce new collagen.