Most cameras have a built-in flash for shooting indoors or in low-light areas. Sometimes photos taken with flash may look overly contrasty or harsh since you’re using a tiny, single light source. To soften the light, you can cover the flash with a handkerchief or facial tissue. The result is a more rounded look, especially on faces.

Soften The Light
This photo was taken with flash. Notice that the right side of the face shows a lot of contrast the photo appear harsh.	For this shot, I covered the flash with a facial tissue. I wrapped the tissue around the flash with a rubber band. The result is a softer light.
the facial tissue acts as simple flash diffuser