The merit of this object is mainly in the packaging - a wonderful retro style. Well, I say 'retro', but probably it just hasn't changed since the 1920s. (I bought this in a supermarket last year.) Quite why they think smoking factory chimneys and a telephone will sell this product, I'm not sure.
If you're wondering about psyllium, it's a seed used to add fibre to your diet. And on that subject, how come it's never called 'roughage' any more?