The white grains on your face are most likely whiteheads, but they can also be ordinary fat grains or hyperplastic sebaceous glands. Ordinary white grains are usually treated on the principle of acne. Acne is mostly formed due to staying up late, not getting enough sleep, or eating too many spicy and stimulating foods, which leads to an increase in oil production on the face, and the oil may concentrate into white sebaceous plugs when it can’t be discharged effectively inside the sebaceous gland ducts. This white sebum is also the white particles that can be seen on the naked eye.