― BUTTER LONDON STYLE ∙ So the other day I bought my first BUTTER London nail polish. I have thought about it time after time, but the price always made me think twice and I always put it back on the shelf. So I came across this beautiful color the other day and I could no longer resist. ∙ All I did to create this look was to put a undercoat on which was 'Sally Hansen Mudslide'. It is a pinky undertone which can blend in well with your skin tone. Then I put one coat of the 'Butter [...].