I am selling this item because I opened it but never had a chance to use it. How about trying it out? Lacti First is an oral gel with a milk flavor that contains lactic acid bacteria and enzymes. It gently cares for your pet's mouth to maintain a healthy environment. Because it's a liquid, it's also great for young and elderly pets who don't like tablets. Please use it for daily dental care! ■ How to use: ● Pump 1-2 times and let your pet lick it directly. ● Pump 2-4 times onto your finger or a toothbrush, and apply it to the teeth, gently massaging them. ※ Please give your pet up to 4 pumps per day. ■ Purpose: Dental care for dogs and cats ■ Country of origin: Japan ■ Contents: 50g ■ Expiration date: Listed on the outer frame ■ Storage: Store in a cool place away from high temperatures and direct sunlight. ■ Precautions: ● Do not use this product for anything other than cleaning your pet's mouth. ● Do not use if your pet has any abnormalities in its mouth or is not feeling well. ● Do not force it on pets who dislike brushing their teeth. ● Be careful not to be bitten by your pet when using. ● If your pet shows any abnormalities, discontinue use. It is recommended to consult with your veterinarian. ● Use as soon as possible after opening. ● Do not store in direct sunlight or in extremely hot or cold places. It will be shipped in bubble wrap via Yu-Packet Post.