Also described as: white-blonde hair
A very pale, near-white blonde with minimal warmth.
typical range
An illustrative approximation, not a fixed definition.
Usually reads as cool-to-neutral; naturally occurring platinum blonde is uncommon.
Can pick up a yellow cast under warm artificial light.
Hair colour, including grey and white hair, is not a reliable indicator of age and is never presented here as something to correct — it's one more colour to plan around, the same as any other.
Styling ideas below are optional and editorial — never rules, and never a claim that one colour choice is objectively correct for anyone.
Platinum blonde has so little pigment that the fibre itself — keratin, water and the air-filled gaps between cuticle scales — determines most of the colour. With almost nothing absorbing, light is scattered back nearly unchanged, so the hair reads as a very pale, near-white tone that takes on the colour of the light and of anything nearby. Whether platinum reads silvery or creamy depends on the faint residual pigment and on the lighting. Much platinum seen day to day is lightened, where the colour that remains is whatever the process left behind plus any toner applied.
Light and shine: Very pale hair behaves more like white fabric than like brown hair: it brightens strongly in sun, shows the colour of the ambient light and loses detail quickly when a camera over-exposes it.
Sources: MedlinePlus Genetics: Is hair color determined by genetics?; Human hair color; Light Scattering from Human Hair Fibers (Marschner, Jensen, Cammarano, Worley & Hanrahan, SIGGRAPH 2003)