I always seem to buy Easy washing up liquid, there's no particular reason why, other than I like a good bargain.
Easy is one of the cheapest washing up liquids around and can usually be found in large (ish) 650 ml bottles priced at around 60p, they can just as often be found in twin packs for £1.

Easy comes in the standard pull-top 'squeezy bottles', there are a few different types you can buy, although the most widely available is the deep green one, which is 'washing up liquid with a hint of verbena'.
I have no idea what verbena is, although the liquid smells very fresh, and slightly citrusy.

From reading the front of the bottle, I also find out that Easy liquids are not tested on animals, which is always a plus point.

As with all washing up liquids, you should avoid prolonged contact with skin, especially if you have sensitive skin.
I don't have sensitive skin, although I am prone to dryness; occasionally I will find that some washing up liquids accentuate this, Easy has never done this so it should be suitable for use by most people.

Using it, I find that it bubbles up nicely and quickly eases tough stains; obviously it isn't quite as effective as the more expensive, or more concentrated liquids, but I find that it is more effective than you would expect, given the price.

I find that burnt on stains (we've had a few!) take a little longer to clean with Easy, although if you leave the pots to soak for a couple of minutes with a squirt of Easy and very hot water, they come off a lot easier and with very little 'elbow grease'.

So, all factors considered, I am quite impressed with Easy; it is not the best liquid on the market, although I think that it is a touch better than other similarly priced brands so would happily recommend it.