Platinum is a metal more precious than gold. Blond is the hair of an innocent child. Put the two together,
and you have a phenomenon that can be expensive or cheap but never reasonable. Innocent? Au contraire.
Platinum blond is experienced. Honey, tawny, ash — all are blonds that could, theoretically, be natural.
Platinum blond, however, is deliberately fake, and for that reason lies forever outside the safety zone