Nioxin Pro Thick Bodifying Foam with Pro-Thick Technology is a styling foam that provides manageable body and hold for thicker, fuller-looking styles. Recommended for those looking for more manageable body and hold. Pro-Thick is a professional complex of thickening polymers that wraps each hair and extend to form bonds between hairs to create space. The polymer complex gives each hair a thicker appearance, and the created space makes a denser style easier to achieve. Application Apply to damp or towel-dried hair and blow-dry for added volume.