Yves St. Laurent Yves Saint Laurent Touche Eclat (Radiant Touch Highlighter) 1 Luminous Radiance "luminous ups" Questions

I have been using Touche eclat for a couple of years and have bought it in debenhams when I have asked the lady at the counter what colour I should have she has told me there is only one which is no 1

...swear by Mary Kay.  Here is the ...