Motorcycle Helmets

Helmet Care

9 Everyday Habits That Quietly Damage Your Motorcycle Helmet

Crashes are not the only thing that harms a helmet. Small, everyday habits can dent the liner, weaken the shell or ruin the visor long before you ever need it. None of these are dramatic, which is exactly why riders keep doing them. Here are the common ones and the easy fixes.

Why small habits matter

A motorcycle helmet protects you with two main layers: a hard outer shell that spreads impact and resists penetration, and an expanded polystyrene (EPS) foam liner that crushes to absorb energy. The EPS is the part most easily damaged, and it is usually hidden under the comfort liner. Dents from careless handling, heat damage or chemical attack can reduce how well it protects you, without any obvious sign on the outside.

None of what follows means your helmet is ruined if you have done it once. It means it is worth changing the habit.

The nine habits

1. Hanging it on the mirror

This is the classic. Hanging a helmet on a mirror stem or bar end puts a small, hard point against the EPS liner. Over time, the weight of the helmet, plus vibration or someone bumping it, can press a dent into the foam. Helmets also fall off mirrors. Set it on the seat or tank only if it is stable, or better, take it with you or lock it with a cable through the D-rings.

2. Leaving it in a hot car or trunk

Cars and trunks get very hot in the sun. High heat can soften or distort EPS foam and adhesives, and can affect some shells and visor coatings. If you carry a helmet in a car, keep it in the cabin out of direct sun and avoid leaving it for long in summer.

3. Cleaning with solvents or harsh chemicals

Petrol-based cleaners, solvents, many household sprays and some polishes can attack polycarbonate shells, paint, visor coatings and EPS. Use lukewarm water, mild soap and a soft microfiber, or products the helmet maker approves. See how to clean and maintain your helmet.

4. Storing it near fuel, paint or chemicals

A garage shelf next to fuel cans, paint thinners or solvents exposes the helmet to vapors over a long time. Store helmets away from chemicals, ideally indoors.

5. Dropping it, or setting it where it can roll

A helmet set on a seat can roll off; a helmet on a table can be knocked onto a hard floor. The helmet's own weight in a fall from head height onto concrete can be enough to concern some manufacturers. Set it down upside down on a soft surface, or on a flat surface where it can't roll. If it does take a hard drop, see when to replace a helmet after a minor drop.

6. Stuffing gloves inside it

Gloves, keys, phones and locks tossed into the helmet scratch the liner and can press into the EPS. Keys and locks are the worst offenders. Gloves are less risky but bring sweat and grime into the liner. Put small items in a pocket or bag.

7. Painting, wrapping or drilling

Some paints and solvents can harm a shell, and drilling holes for mounts creates weak points. Many makers advise against painting, aftermarket decals that need solvent-based adhesives, or drilling. If you want a custom look, check the manufacturer's guidance, or have it done by a painter who works with helmets and the maker's approved materials. For camera mounts, see how to mount a camera on your helmet safely.

8. Drying it with high heat

After a wet ride it is tempting to put the helmet on a radiator, in front of a heater or under a hairdryer on high. Heat can shrink comfort pads and harm EPS. Dry it at room temperature with airflow, or use a helmet dryer designed for the job. See helmet dryer vs air drying.

9. Storing it in direct sunlight

Long-term UV exposure can fade and degrade shells, straps and visors. A helmet displayed on a sunny windowsill or kept on a bike parked outside every day ages faster. Store it out of direct sun.

Quick reference

HabitWhat it can harmBetter habit
Hanging on mirror or bar endEPS liner (dents), dropsTake it with you or cable-lock it
Hot car or trunkEPS, adhesives, coatingsCabin, out of sun, short periods
Solvents and harsh cleanersShell, paint, visor, EPSMild soap, water, microfiber
Near fuel or paintShell, EPSStore indoors, away from chemicals
Rolling off seats or tablesShell, EPSUpside down on soft surface
Keys or locks insideLiner, EPSPocket or tank bag
Paint, decals, drillingShellFollow maker's guidance
High-heat dryingPads, EPSRoom temperature airflow or helmet dryer
Long UV exposureShell, straps, visorStore out of direct sun

How to store a helmet properly

For seasonal storage of all your gear, see how to store gear off-season.

Securing a helmet without the mirror

If you hang it on the mirror because you don't want to carry it, there are better options:

Helmet lock on the bike

Many bikes have a helmet hook or lock. Use the D-ring or chin strap, not the shell.

Cable lock

A coated cable through the D-rings and around a frame part. See helmet lock options.

Top box

A top case large enough for a full-face helmet keeps it out of weather and sun.

A quick monthly check

Once a month or so, take a minute to look over your helmet:

  1. Inspect the shell for cracks, deep gouges or crazing.
  2. Check the chin strap, buckle and stitching for wear.
  3. Look at the visor mechanism and seal.
  4. If you can remove the comfort liner, look at the EPS for dents or cracks.
  5. Check the fit. If the helmet has become noticeably looser, the pads may be worn.

If anything looks wrong, contact the manufacturer or a knowledgeable dealer. Our guide to when to replace a helmet covers the decision. Makers also give replacement guidance based on age and use; a commonly cited guideline exists, but check the manufacturer's own recommendation for your model.

Browse soft microfiber cloths on Amazon for safe everyday cleaning.

Our take

The easiest wins: stop hanging your helmet on the mirror, keep it out of hot cars and away from chemicals, and set it down where it can't fall. Those three changes protect the part of the helmet that matters most and cost nothing.

Bottom line

You can't see most helmet damage, which is why prevention matters. Treat your helmet like the safety device it is: handle it gently, store it cool and dry, clean it with mild products, and follow the maker's care instructions.

FAQ

Is it bad to hang a helmet on a motorcycle mirror?

Yes, it is a common habit worth breaking. The mirror stem can press a dent into the EPS liner over time, and helmets often fall off mirrors.

Can heat damage a motorcycle helmet?

High heat, such as a car in direct summer sun or a radiator, can harm EPS foam, adhesives and some coatings. Keep helmets cool and dry them at room temperature.

Can I put stickers on my helmet?

Check the manufacturer's guidance. Some adhesives and solvents can affect certain shells, and many makers advise against modifications. Avoid drilling.

What is the best way to store a motorcycle helmet?

Indoors in a cool, dry, ventilated place, out of direct sunlight, away from fuel and chemicals, on a shelf or helmet stand, in a breathable bag.

Is it bad to put gloves inside my helmet?

Gloves are a minor issue, but they bring sweat and dirt into the liner. Avoid putting keys, locks and hard objects inside, as they can damage the liner.