If you're working and typing at a keyboard all day, Filth will accumulate as time passes, many of which can result in a loss of efficiency if it will get caught somewhere it should really. Whilst the keycaps are soaking, use some cotton swabs to dust out any lingering particles https://www.linkedin.com/posts/anhometech_keyboard-computer-cleaning-kit-brush-with-activity-7180579011184537600-rYI_?utm_source=share&utm_medium=member_desktop