IS A SILK PRESS AND WHAT IS A GOOD HUMIDITY BLOCK FOR MY HAIR

What is a silk press and what is a good humidity block for my hair?  The Fe’nomenaal hair product line does have a silk press system that blocks the humidity from swelling the hair shaft. The foundation of our system starts with the shampoo and conditioner and is followed with our amino reconstructor.  For smoothing hair spray HUMIDITY BLOCK and smooth out.