Have you tried mouthwash from GuruNanda? If you haven't tried it, you can try this GuruNanda Concentrated Mouthwash for free at Walmart after cashback. All you have to do is purchase the item and upload your receipt on Ibotta to get cashback. 

Enjoy fresher breath and a balanced oral microbiome while helping the planet with GuruNanda Concentrated Mouthwash! Developed by a team of Western and Ayurvedic dental experts, this mouthwash is formulated with a proprietary blend of seven 100% pure and natural essential oils for whole mouth health and fresher breath. It’s all of nature’s best, with nothing extra. Just add 4 drops of our concentrated mouthwash to the water and swish for 1 minute.