Hashtags turn topics and phrases into clickable links in your posts on your personal timeline, Page or groups. This helps people find posts about topics they're interested in. To make a hashtag, write # (the number sign) along with a topic or phrase and add it to your post.

Do hashtags work on Facebook 2020?

Some marketers say that Facebook hashtags are useful, others believe they have little impact. ... Logic tells us that if hashtags are effective elsewhere, they can be applied effectively on Facebook. So, yes, hashtags can work on Facebook but only if you use them the right way.

How do you use hashtags effectively on Facebook?