Hi Erencicek,
Your issue is genuine and very common. Duplication of content is often faced by Shopify store owners, and it is one of the biggest SEO nightmares, as you may lose the ranking on the search engine results page (SERP) or permanently get suspended from the search engine due to this issue.
You can use the ‘canonical tag’ for it.
This tag is added in the section of the page, and the preferred version of the webpage is canonicalized.
In your case, the canonical tag would look like this:
Hope it helps!
Leesha