Brands started using hashtags on Facebook since June in the hopes of gaining additional exposure. That, however, isn’t happening according to an article written by Jessica Lee for SearchEngineWatch.

Citing surveys conducted by Simply Measured and EdgeRank Checker, Lee says the results aren’t looking good. She showed graphs from EdgeRank Checker indicating that of the 500+ pages it studied, viral reach and engagement were down on posts with hashtags compared to posts without them.

When they compared the Facebook hashtags with those on Twitter using 50 Twitter accounts from Fortune 500 brands, about 70% of the brands saw their retweets rise when using Twitter hashtags versus not using them.

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