Pureindia Handmade Ayurvedic (chemical free) Potato Rice Soap. Its Handmade, Skin Friendly, Natural soap made with Original Potato Powder & Rice Powder, Coconut Oil, Cucumber, Milk Powder, Olive Oil & Other Natural Ingredients. Potato Reduces Dark Circles It improves complexion. ... It is rich in Vitamin C. Potato Has Anti-ageing Properties It helps to even your skin tone when used regularly. It helps lighten scars and other dark spots on your face. It makes for a good skin moisturizing agent.