Hello! I see you're having trouble finding the face scan option in the Heartery Blood Pressure Health app. I'd be happy to help you with this.

First, can you confirm if you've recently updated the app or your iPhone's iOS version? Sometimes, features may get changed or removed during updates. If you have, that might explain why the face scan option is no longer available.

In the meantime, it appears that some functionalities related to face scanning for health metrics may have been removed in recent updates to the app. Many users have noted this change, which has led to alternative methods for measuring heart health, such as using your finger on the camera1.

Let's explore a couple of options moving forward:
1. Check for App Updates: Make sure the Heartery app is updated to the latest version in the App Store.
2. Reinstall the App: If updating doesn't solve the issue, you might consider uninstalling and then reinstalling the app. This process can sometimes restore missing features.

Would you like to proceed with either of these steps, or do you have anything specific you want to try?