This article explains how to opt out of personalized ads on Instagram. If you've linked your Facebook account with your Instagram account, you can change your Facebook settings to prevent Instagram from showing you personalized ads.
Steps
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Step 1. Visit www.facebook.com using a browser
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Step 2. Click on the arrow located at the top right
This will open a menu.
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Step 3. Select Settings
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Step 4. Click on Ads
This option is located in the left menu.
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Step 5. Click on "Can you see interest-based ads online on Facebook?
"next to the first option (" Ads based on how you use websites and applications ").
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Step 6. Click on the button marked "Yes"
It can be found in the section titled "Show interest-based ads online:".
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Step 7. Click No in the drop-down menu
This process will not allow you to reduce the ads that will appear, but it will make them less relevant.