The best-selling product of Benefit is the POREFessional Primer and that's not without reason, I use a primer daily under my foundation and the POREfessional is one of the finest primers I've ever used. This magical stuff reduces all your pores and fine lines, ensures that your skin stays matte and it makes your skin silky soft so that your foundation is even easier to apply and lasts all day nicely in place. Benefit POREfessional Primer. Benefit has always upbeat and original packaging and the packaging of the POREfessional is with soft yellow and blue colors, the tube in the package has a volume ...