Consumers are attracted to the latest fashion trends and different looks. This drives search for novel hair treatments. Some chemicals present in treatment products can penetrate shaft. These materials either nourish or injure cortex. Different techniques have been used investigate mechanism of molecule penetration conditions under which occurs. article reviews applied this purpose. Various mic...

I t is a gender read ing of F lorence N ight ingale 's ma in work, "Notes on N u rs ing : what is and what isn 't" , a book which brings together the pr inc ip les and essential e lements of modern n u rs ing , professional ized i n England i n the second ha lf of the X IX centu ry and the way the profession was constituted i n Brazi l , as expl icited i n the work of Glete de Alcantara : "Mode...