Have your Tricoextra delivered monthly and save! Get a 30 day bottle of Tricoextra delivered every month with free delivery! Get a spare Tricoextra 30 day bottle for £11 when signing up (covers any postal delays and those months where there are more than 30 days!) A total saving of over £100 if purchased separately! Manage your account online – pause or Cancel any time. (after minimum subscription 4 months)