How to use it correctly1.Place the top of the tongue scraper on the surface of the tongue and gently scrape it from inside to outside.2.Repeat 5 or 8 times then rinse well your mouth. Repeat to achieve better results.3.Recommended to use every 2-3 times a week before brushing teeth. Please rinse it before & after each use.4.Place the head up in the cup or place it in a place where there is sunlight so that it is dry and sterilized or clean it with tap water or sterilize it every two weeks.Content:- 2 x 304 Stainless Steel Tongue Cleaner- 1 x a Tooth Pick - 1 x an Ear Pick- 1 xTongue Scraper Box- 1 x The instruction bookLifetime Warranty & 30 Days Money Back If you are not completely satisfied with your Tongue scraper just return them within 30 days for a full refund. Friendly customer service. If you have any problem or suggestion please contact us freely we will respond to you by email within 24 hours.