Accessories don't have to be, but...
What the trouser clip is for cycling, the face brush is for skin care. Or steam for ironing...a headband for cleaning...a cloth napkin for dining, and so on. It (usually) works without, but with ACCESSORIES many things work better. Besides: who hasn't always wanted a magenta towel hanging in the bathroom? - The things that can be part of feeling good and good skin care with Oceanwell. But they don't have to.