She's the 'resident beauty expert', her 'years of experience in the industry, treating celebrities and royalty' have trained her to notice these things. Also, she goes beyond the call of duty - did I imagine she said something about having gone three months without using an eye product so that she could test the new Gatineau serum and noticed the effects 'immediately'?
And then some, she had a salon size of Neroli which Q have never stocked, not even as part of a TSV. Are we to deduce that she shops on ebay or is she given freebies by her 'friends in the industry'?
But heard her say when using Alpha H Liquid Gold rather than not applying moisturisers over the top she uses the liquid gold early in the evening then a moisturiser four hours later, which may involve getting up in the middle of the night.