OGX Extra Strength Argan Oil of Morocco Mask is a hydrating hair mask treatment. Ideal for medium to coarse-textured & thick hair, the daily deep-conditioning treatment quenches each strand and helps hair feel detangled. Formulated with an extra-hydrating blend of water-based silk proteins & rich cold-pressed Moroccan argan oil, it helps revive hair to leave it nourished & silky smooth.