You have to cancel your subscription in your personal App / Google Playstore account.
We can't cancel your subscription for you, but we're happy to help you.
If you subscribed from within the iOS app:
Go to the App Store and click on the profile icon at the top of the screen
Open the Cara Care subscription, and choose to cancel it from there
If you subscribed on the Android mobile app:
Open the Google Play Store app
Tap Menu > Subscriptions
Select Cara Care to manage your subscription