article_snippet.sent: Who hasn’t shaken up that bottle of fake tan mousse that’s been lurking at the back of a cupboard for an indeterminate number of years and looked despairingly at the green tinged product that emerges?
article_snippet.sent: Fake tan usually lasts 12 months once opened. 
article_snippet.sent: Once The DHA which creates the brown colour is past The DHA which creates the brown colour use-by date
article_snippet.sent: Once This active ingredient is past This active ingredient use-by date This active ingredient oxidises and goes green.
article_snippet.sent: Fake tan usually lasts 12 months once open.