Updated September 4, 2026
The short version
- Cleaning and disinfecting are two different jobs. Disinfectant applied to a dirty surface is largely wasted.
- Contact time is the whole game: the surface has to stay visibly wet for the time printed on the label, usually several minutes.
- Wiping the disinfectant off immediately is the single most common mistake.
- If you're using bleach, the household dilution is one part bleach to nine parts water — and it never goes near electronics.
Cleaning and disinfecting are not the same thing
Cleaning physically removes soil, oils, and the film that builds up on a surface. Disinfecting kills what's living on it. They are sequential steps, and the order is not negotiable.
Organic matter — skin oil, food residue, dirt — physically shields microorganisms from a disinfectant and, with some chemistries, chemically neutralises it outright. Spray disinfectant onto a visibly dirty armrest and most of it never reaches a living surface. It looks like you disinfected. You didn't.
So: wash first with mild soap and water. Then disinfect. Every time.
Contact time is the part everyone skips
Every registered disinfectant has a contact time — the number of minutes the surface must remain continuously wet with the product for the kill claim on the label to hold. It's usually somewhere between one and ten minutes.
The near-universal mistake is spraying and immediately wiping dry. That surface was wet for four seconds. Whatever the label promised, you did not get it.
Read the label, apply enough product that the surface stays visibly wet, and wait the stated time before wiping. If it dries early, apply more. This one habit does more for the result than upgrading to a stronger product.
What to use
- An EPA-registered disinfectant is the straightforward choice. Registration means the kill claims have actually been tested.
- Diluted bleach works and is cheap: one part household bleach to nine parts water, mixed fresh. Bleach solution degrades, so mix what you'll use that day rather than keeping a bottle around.
- 70% isopropyl alcohol is fine for small hard surfaces and dries fast, but it evaporates well before a long contact time is reached — and it damages some plastics and vinyl over time.
- Never mix bleach with ammonia or with any other cleaner. The gas it produces is genuinely dangerous.
Which surfaces actually matter
You don't need to disinfect the whole chair every time. Prioritise by how often a hand lands on it — that's what transmission actually follows.
- Hand rims — the highest-contact surface on a manual chair by a wide margin
- Brake and wheel-lock levers
- Joystick and controller face on a power chair
- Armrests, especially the front edge where hands push off to transfer
- Push handles, which are handled by everyone except the person in the chair
- The front edge of the seat frame and any grab point used during transfers
How often
For a chair in ordinary daily home use, disinfecting the high-touch points a few times a week is reasonable, alongside a full clean each month.
Go daily when the chair regularly enters hospitals, clinics, dialysis centres, or other shared healthcare settings; when the user is immune-compromised or recovering from surgery; when anyone in the household is sick; or when the chair is shared between users.
What disinfecting can't fix
Disinfectant is a surface treatment. It does nothing about what has soaked into upholstery foam, and odor is the tell — a chair that smells despite regular disinfecting has odor-causing bacteria living below the surface, where no wipe reaches.
That's a job for high-temperature steam, which penetrates the weave and the foam and kills what's in there rather than sealing it in. It's also the difference between a chair that smells clean for a day and one that stays that way.
TLC WASH includes steam cleaning and professional-grade sanitizing in every package, at your home anywhere in the Inland Empire, from $24.99.