£22.99 and £30.99 at MyBeauty.Boutique, checked 22 Oct, 22:10 UK time: the 250ml is £8 more.
“250ml” in its name, against “100ml”.
We don’t test products. Facts are the makers’ and shops’ own words; prices are those we read, with when. A price can change after we read it, and delivery may cost extra.