It is of course no secret that supermarket's own-label products are often the same products as sold elsewhere, but under different labels. Since Sainsbury's aren't in the business of making detergent, obviously 'Sainsbury's' detergent is actually somebody else's detergent. It might be that the manufacturer of Sainsbury's detergent also manufactures one or more of the major branded detergents, or other own-label detergents for different supermarkets; it's very difficult to tell, although careful examination of back labels can help, e.g. if the same address is printed on two products, they may well be identical.
Which brings me to this
sparkling Gavi, currently at 20% off, giving a sale price of £8.49 (which I actually bought in the physical supermarket, at same the offer price). Sparkling Gavi is pretty unusual, so much so that none of my books mention it. Nor is it listed in the English Wikipedia, although it is in the
Italian Wikipedia. There's only one 'other' sparkling Gavi available in the UK,
La Battistina (also available from ND John, Harrods and Virgin).
Compare these descriptions: firstly, for La Battistina:An interesting nose of ginger, lemon grass, baked apple with cloves and nutmeg. The palate is very delicate, yet rich with citrus and ripe apricots. The mouthfeel is creamy and the finish is dry and mouthwarming.
Then, for Waitrose:An interesting nose of ginger, lemon grass, baked apple with cloves and nutmeg. The palate is very delicate, yet rich with citrus and ripe apricots. The mouthfeel is creamy and the finish is dry and refreshingly mouthwatering.
Waitrose have corrected the bizarre 'mouthwarming', which was presumably a mistranslation, but kept some rather clumsy syntax, so it seems reasonable to deduce that these are in fact the same wine. The interesting thing is that the 'offer price' is in fact exactly the same as the price on the second web-site. To be fair though, Harrods are charging £12.50 for the same bottle.