> Some products are smaller than the others, making them harder to spot I fear that even this is not an actualisable benefit. Size is probably the easiest visu

> Some products are smaller than the others, making them harder to spot I fear that even this is not an actualisable benefit. Size is probably the easiest visual differentiator to perceive. You can differentiate between eyedrops and shampoo far faster than between different brands of shampoo.