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Title: This THING WORKS!!!
Review: We ordered this for our 4 1/2 year old daughter, who couldn't stop sucking her thumb! In 2-3 days, after applying it on her nails, she has stopped sucking her thumb, she knows it tastes very bitter! We've tried Thum (available at Walgreens & many other retailers), which doesn't come anywhere close to Mavala STOP! If you want your child to stop sucking their thumb, or nail biting, order this RIGHT NOW!! This stuff works, period! I applied on my thumb and tried tasting, it is horrible (that's what it's supposed to do)! This is a must if you want your child to stop sucking their thumb or nail biting!
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