Find your perfect hair match with OGX, now with new upgraded pH balanced formulas for salon-quality, gentle cleansing that will help give you stronger hair with more shine, less frizz and long-lasting smoothness. OGX Thick & Full+ Biotin & Collagen is a volumising blend, helping to thicken and texturize fine hair. Help infuse nutrients into every strand and create the appearance of thicker, fuller hair with added volume.