Refine your silver white shade with the schwarzkopf professional bc bonacure excellium q10 pearl beautifying silver spray a brightening spray that will restore your hairs youthful glow infused with a neutralising blend of steel pigments and powerful q10 the bc excellium beautifying silver spray will diminish yellow tones and enhance your silver white shade for use on hair that is between 70 and 100 percent white the spray will also protect your hair from harmful uv rays ideal for some