There's cheap and expensive in everything, food , clothes , electronics , juice , everything .
There's no point in keep moaning about the expensive versions being a rip off . Everyone has a price they are willing to pay for any particular item. It's no different me moaning that a ralph Lauren t shirt costs 70 quid when I can get a primark one for three quid . They both cover my man boobs just the same so why can't I buy a ralph Lauren for the same price as primark ? Or Aston martins are a rip off they only take me to the same places that my second hand Vauxhall does.
You buy everything at a price point your happy with , if your happy with 99p liquid then great , if your happy to pay 20 quid for 30ml that's also great.
If you think it's too expensive just don't buy it don't moan about it