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I'm new to Blender and wonder why, when I render the image, the image is noisy or blotchy.

The render result is shown below.
enter image description here
You can see the effect clearly at the skin area.

Can someone help me resolve this issue?

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    $\begingroup$ Define bad..... $\endgroup$ – Frederik Steinmetz Jun 6 '20 at 6:42
  • $\begingroup$ Hello and welcome :). I can only see some denoising artifacts (the color splotches). Increasing sample count (to like 500 samples) should help. $\endgroup$ – Jachym Michal Jun 6 '20 at 6:52
  • $\begingroup$ @Xylvier Hi, just wondering, why add <br> tags when pressing 'Enter' to start a new line does the same thing? $\endgroup$ – Ray Mairlot Jun 6 '20 at 12:11
  • $\begingroup$ how many samples did you use? did you use denoising? $\endgroup$ – Jonas Jun 6 '20 at 12:25
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    $\begingroup$ @RayMairlot: an (un)ordered list needs the tag. $\endgroup$ – Lukasz-40sth Jun 6 '20 at 12:28
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It looks like denoising artifacts due to low render samples settings.
Go to render properties tab and increase the number of render samples.
samples
The idea is to keep the render time low and the image as good as possible. More samples will increase the render time and quality.

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