Help strengthen weakened muscles with this innovative hand invigoration putty from Rejuvenation. This Level 1 red hand putty gently yet effectively targets the muscles in your fingers, wrist, hand and forearm, improving dexterity and coordination over time. When used in accordance with the included instruction chart, it also works to improve flexibility, increase blood flow and relieve stress. This unique putty has a non-sticky, non-greasy formula, ensuring a secure, comfortable grip.