1 Using cucumber. Cucumber can serve to reduce or eliminate scars scars. The trick mashed cucumber until smooth, then paste on the scars and leave on all night. Perform routine every night before bed, until the scars disappear by itself.
2 Using garlic. Garlic can also be used as a scar remover. Cut half a clove of garlic, then rub on scars or black spots.
Source: http://tips-tips-ampuh.blogspot.com/2012/06/tips-ampuh-menghilangkan-bekas-luka.html