The website explains, "After application of a clay mask, you will feel your face tighten as the clay dries. As the clay dries it "soaks" up the skins natural oils and anything clogging the pores and draws it to the surface."

Why do face masks tighten?

As a clay mask dries, your skin begins to tighten. The clay is "soaking up” excess oil and debris from your pores. As the facial clay mask rids pores of dirt and oil, the pores tighten and will feel and look clean which helps reduce their appearance.

Why does my face feel tight after mask?

Some people like the “tight” feeling after washing their face, but it's actually excess dryness, according to Dr. Ilyas. “Your skin can start to feel sensitive afterward, or even peel or crack. Applying moisturizer protects your skin from over drying.”