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Hello Jill,
 Q. -  Most products that I've looked at state that  they need a smooth surface.  The last "stain" we tried rubbed off and we  were told it was because the concrete is rough.  Will this product rub  off?  Will the sealer "smooth" the look of the concrete after the  stain?  Thanks for your help!
Hello Jill,
A. -  When you use concrete acid  stain then a powdery residue usually forms on the surface during drying and  reaction time, but once neutralized and rinsed down, the concrete is seen to be  the new stained color. It stain should not however, rub off and go back down to  bare uncolored concrete. 
    When you neutralize and rinse it, you  can scrub it too hard and you can take it down too far. So be careful and easy  on it, but be sure to scrub down any dark areas that you want to lighten up  then, because after it dries it will lock down. Other than that, the concrete  should be a new chemically changed color on the surface.
    In all actuality, a rougher concrete  surface will take stain better because it soaks into the pores better, though it  does require more stain as it drinks it up.
    The only way that Concrete  Camouflage concrete acid stain would rub off, is if there was a curing  agent, sealer, wax, grease, oil, or some other contaminant that would prevent  the stain from soaking into the concrete. Or if the concrete is extremely  smooth, then the stain has a hard time getting into the pores. But you can go  over the concrete with a floor buffing machine, using the aggressive scrubbing  pads, to open up the pores so the concrete stain can penetrate the  surface and work.
    The sealer is made to go on very thin and  has a satin finish. That helps to keep the concrete texture coming through for  traction, while giving it a natural yet enhanced look for outdoors. Then when  you use it indoors, you put our mop on style floor wax over it, which gives it  more depth, luster, and a high gloss. The wax has traction additives built in,  is easy to maintain, and very long lived. The sealer and/or wax does smooth  out the look.
 I hope this helps.