https://premature-ejaculation.net/viagra-sildenafil-with-dapoxetine-prolongation-of-your-intimacy/. The mass of active substances is different:• Sildenafil – 100 milligrams;• Dapoxetine – 60 milligrams. Each tablet has a diamond shape. On one of its sides there is an engraving of the name patented by the manufacturer, on the other – the total mass of the product.