Health and Beauty Coloration L'Oréal Paris Préférence Permanent Coloration 60 ml 8.23 Santorini Préférence's translucent gel formula provides color with radiant reflections and intensifies your hair's natural tones for up to 8 weeks. Discover the unique shades of Préférence coloration with light-reflecting pigments for radiant color full of reflections. The package contains final care, enriched with a UV filter and vitamin E to preserve shine. At the same time, it ensures up to 100% gray coverage.