One reason being the thick texture. For some reason, I’m used to gradual fake tans being in quite light, liquid moisturisers rather than thick like the Unreal Body Bronze. But this is thick, and a little goes a long way. When I first applied it I thought that I’d use loads based on how thick it was, but when rubbed into skin it melts in so easily, it almost becomes lighter in texture when applied. A 10p sized blob was enough for my arms.