Yes, pea-size dots are max. I use Epidermx, so I don't know what the Dr Brant crystal concentration is, but I feel that smaller dabs over smaller areas works better than trying to do a large area all at once. When I had tried larger areas, like a cheek to nose to jawline, I found that the cream dried before the abrading was done and the job it did was not nearly as effective.
Of course are you talking the big green peas or the smaller LeSuer (sp?) peas? LOL
I use a LeSuer pea size on about a silver-dollar-sized area. Here's an idea of what I do: one spot on each cheekbone area, one on each n/l area that also extends to over that half of the upper lip, one on each mid-cheek area, one on each side of the chin under the lips and out a smidge towards the jowls, one dot in the area extending out from the outer lip crease. My back jaw area is fine, so I don't to that. Nor do I do my neck. My brow lines aren't really all that bad and I've only this week started incorporating them into my regime - one little dab on each half.
HTH
Kathy