Dog Doctor Dr. YUJIRO Dental Powder and Dental Gel samples, unused. Usable for dogs and cats, large and small. - How to use: Dental Powder… Dissolve in a small amount of water. Spoon for powder included. Dental Gel… Let your pet lick it. - Expiration date: Dental Powder… August 2027 Dental Gel… September 2028 For those considering a subscription on Rakuten, For those who want to try the taste or check for allergies, Please consider. My beloved cat happily licks the powder dissolved in a small amount of water, including my finger!