Siren's Song™ - Classic High Voltage®
Siren's Song is a blue-green dye that glows under blacklight. For best results, we recommend applying to hair that has been pre-lightened to the lightest level 10 blonde.
Manic Panic® Semi-Permanent Hair Color is ready to use, do not mix with peroxide. Vegan ingredients. PPD and ammonia-free.
Tested on celebrities, not animals™.