Available where you'd buy any other Revlon cosmetic product.

Thing is, it looks just like mascara so while, yes, you could put it on and have it last for a day or two it _could_ be subject to confiscation like any other mascara. The suggestions to maybe bundle it with other pens/pencils or spread your cosmetics throughout your belongings sounds like an idea that's worth a shot.

Anyway, what an asinine object to ban from carry-on luggage! I'd pay good money to see a serious attempt to threaten a flight crew with a mascara wand.