It is vital to maintain your kitchen space, including workstations and chopping boards, to keep cooking and eating safe as bacteria can develop and disperse.
It can be quite difficult to care for sensitive skins so it is advisable to limit your use of skin care products as much as possible. Simple skincare regimes are often more appropriate for sensitive skin in general as they prevent product overload.
That pesky bacteria, unfortunately, it is unavoidable and gets everywhere, no matter how much you clean an area. Unless you are doing a full bleach scrub down every day then bacteria are going to find somewhere to grow.