Product Overview Pump Thickening Mask contains Gotu Kola Extract, Olive Leaf and wild grown Horsetail Extract. Soy and Rice Protein work together to thicken hair and add volume from the roots. so you are feeding you hair the right foods and the right proteins to benefits you locks getting fuller. The technology works to thicken and plump the hair by 'swelling' each strand. Leaving you with beautiful thick luscious locks.