Orderliness and being organized is important as opposed to chaos and disorder. God Himself is a God of order, and from a practical viewpoint, it makes things simpler and smoother for us and others.
It is dangerous to focus on perfection or to be perfectionist - dangerous to our health, to our growth, and even to our faith. Perfectionism is different from excellence, the latter of which is what we should strive for - and the key to that is moderation.
Using antibacterial agents too much, or being a neat freak - whether it's your body or your surroundings - can actually be harmful for you in the long run, as your body either loses the opportunity to learn how to defend itself, or gets introduced to potentially deadly chemicals. I invite you to moderate your hygienic practices - do it properly but do not be perfectionist about it.