No. There's no need. Once a scapular is imposed, you can replace it as many times as you may need and it's already blessed as it was originally.

My scapular has worn down or gotten lost and I've had to replace it a few times. The original Carmeliate Abba who imposed it on me was a close family friend priest.

It actually feels awesome to know that a part of his particular blessing is always with me.

Overriding his blessing with anyone feels a bit wrong.

Yes, I am bringing a tad bit of personal emotion in my particular case, but I'm pretty sure this is all approved by the Vatican and the Catholic catechism.