Do you have a DSLR Pop-up flash diffuser? A diffuser softens camera’s harsh direct flash and reduces harsh shadows
If you do not have it, you might create one at home in a few minutes.
Step by step DIY built-in pop-up flash diffuser
The most simple one is with a piece white of paper.
All you need, is a white paper, a scissors for cutting the paper and tape.
Just measure the depth of your pop-up flash’s base, cut the paper and taped it around. Tape two side of the paper.
Other practical pop up flash diffuser alternatives?
The aim is to block the strong flash with a piece of white paper, napkin, tissue paper, piece of soft white material, or soft packaging materials will do the job somehow. If this is a piece of paper, you can easily tape it around the flash and you can discard it when you are done.
Creating white fabric diffuser
Second alternative is for a long term use. You can create the diffuser from a white fabric. make sure it is old fabric ( worn at least) so no lint will fall when you are shooting.
You can use white muslin, old t-shirt if you want. Not a towel or socks, they are thicker materials.
It is easy to make it. All you need a white fabric material, a scissors, white threat, a needle, a long twist tie.