definitely using social media, you can create attractive profiles and share content related to what your product is about.

Brief verison:
1. Post video contents, Go live with your audience
2. Post at peak time when your fans are mostly online, check this using insight tool
3. Use Facebook groups to share your Facebook page content, use other social media platform to share your content.

We have tons more tips and tricks to keep you on top of Facebook engagement algorithm check out my blog for more.