I will attest that after taking our Snickers off of grains, the licking and scratching stopped!! He only licks his lips and us now

. Oh and he will clean himself after peeing (gross!!) and the scratching is almost non-existant. We are super happy with the grainfree diet!! He was on Merrick Puppy Plate as a babe, and even though they use high quality grains, he itched and licked. Now he is on Evo and NV Raw Medallions and such a significant difference!!!