Restore the youthfulness of your hair and refine its silver white shade with the schwarzkopf professional bc bonacure excellium q10 pearl beautifying steel spray enriched with steel pigments the bc excellium beautifying steel sprays exclusive formula will neutralise yellow tones in the hair whilst imparting glossy shine and uv protection for use on hair that is between 30 and 70 percent white the steel spray will brighten and rejuvenate each strand after use silver white hair will loo