Goodness, when I opened this the first thing I thought of was that it was an out and out copy of from the 'bubbles' challenge. Fortunately I checked it and see that it is a completely different composition with a similar subject matter
I am guessing you have used real gum which has the advantage of letting you see the blowers lips but has created a couple of nasty light spots
If I was being very pedantic then I might suggest cloning out the hairs which stand out from the white background. Having said that, great fun entry well executed 8
this shot could've been a lot more fun if there were a hand with a needle on the right and her looking at it with just her eyes. it's just a thought but it came up as soon as I saw this.