BOS-DEFENSE from Bosley Professional Strength is a thickening treatment for normal to fine non-color treated hair.
Bosley, the world's most experienced hair restoration expert, has created Professional Strength for thicker, fuller looking hair. BOS-DEFENSE haircare volumizes and thickens normal to fine hair. LifeXtend Complex contains algae extract which helps with better density and fullness. Biotinyl GHK may help support healthier looking hair. Apple Stem Cell Extract may support healthy hair. Rice Amino Acids and vegetable protein helps fortify and nourish.