Cif
From Tardis Wiki, the free Doctor Who reference
A spray bottle half-filled with a blue liquid, labelled with a logo reading "Cif", was present in the kitchen of Rose and Jackie Tyler's apartment. (TV: Rose)
Bottles labelled "Cif" were also present in the M.A. Local Supermarket, in a 2 for 1 deal. (TV: The Vanquishers)
Behind the scenes
Cif was a French brand of household cleaning products.