Dalil

Quran Ali 'Imran 3:107

وَأَمَّا ٱلَّذِينَ ٱبۡيَضَّتۡ وُجُوهُهُمۡ فَفِي رَحۡمَةِ ٱللَّهِۖ هُمۡ فِيهَا خَٰلِدُونَ

Translation

But as for those whose faces turn white, [they will be] within the mercy of Allāh. They will abide therein eternally.