Keep Your Mouth Healthy: Oral Care Serum is not only a concentrated oral care solution for removing bad breath, but it also helps to effectively remove oral bacteria and keep your mouth healthy with an instant pick-me-up! Long Lasting Effectiveness: You only need to use 1-3 drops of Oral Care Serum and 15ml of water each time, which lasts up to 8 hours and does not leave a bad odor in your mouth after use, keeping your breath fresh. Simple and portable: You can carry it with you and enjoy fresh breath anytime. The refreshing mint flavour leaves your mouth feeling clean and fresh for a long time. Thoughtful Gift: The mint mouth freshener will be a perfect gift for your sister, daughter, mum, wife, niece, aunt, best friend, girlfriend or yourself!