# How to Clean the Inside of a Motorcycle Helmet

> Removable cheek pads + crown liner: hand wash or 30 °C (86 °F) bag. Shell: damp microfibre. Visor: warm soap only. ECE 22.06 replacement criteria.

**Published :** 2026-05-12

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**Résumé :** **In short:** on a motorcycle helmet,
**the removable internal foam** (cheek pads, crown liner) is
hand-washed in warm water or in a mesh bag at 30 °C (86 °F).
**The outer shell never goes in the machine** -- damp cloth +
mild soap. The visor is cleaned with warm water only, never solvents.
**A helmet that has fallen must be replaced** regardless of
cleaning.

## At a glance

- **Removable foam (cheek pads, crown liner)** -- hand wash warm water + mild soap, or machine in mesh bag at 30 °C (86 °F) synthetic, flat dry.
- **Outer shell** -- damp microfibre cloth + mild soap. Never machine wash, never alcohol or solvents.
- **Visor** -- 5 min soak in warm soapy water, wipe with microfibre. No abrasive cloth.
- **Chin strap** -- damp cloth. Check fabric condition (frayed = replace helmet).
- **After impact** -- mandatory helmet replacement (ECE 22.06), no cleaning restores safety.

## Piece-by-piece protocol

| Piece | Method | Frequency by usage |
|---|---|---|
| Cheek pads (removable) | Hand warm water + mild soap, or machine 30 °C (86 °F) mesh bag | Daily: 2-3 months -- Weekend: 1-2/year -- Touring: after long trip |
| Crown liner (removable) | Hand warm water + mild soap, or machine 30 °C (86 °F) mesh bag | Daily: 2-3 months -- Weekend: 1-2/year |
| Outer shell | Damp microfibre cloth + mild soap | After each ride if insects |
| Visor | 5 min soak warm soapy water + microfibre | After each ride if dirty |
| Chin strap | Damp cloth + mild soap, air dry | Monthly |
| Vents | Soft toothbrush + compressed air | Quarterly |
| Non-removable foam (older models) | Disinfectant spray + extended airing | Monthly |

> Modular helmets and some premium full-face models (Shoei Neotec, Schuberth)
> have model-specific disassembly mechanisms.
> **Always consult your model's manual** -- clips and tabs are not
> universal.

## Step-by-step

### 1. Remove the internal foam

On most modern helmets: **cheek pads** pull forward (rear retention clips), the **crown liner** unclips at the back then at the temples. On jet or modular helmets, disassembly often goes through an internal zip. Photograph before disassembly.

### 2. Wash the foam

**Hand option**: wash in warm water (30-35 °C / 86-95 °F) with mild soap or mild shampoo, no twisting. Rinse in clean water until all soap is gone.

**Machine option**: place foam in a mesh laundry bag, synthetic 30 °C (86 °F), low spin (600 rpm). Group with other motorcycle gear for efficient cycle.

**Drying**: flat on a terry towel in a ventilated room. **Never tumble dry** (deformation), never on a radiator (degrades internal adhesive).

### 3. Clean the outer shell

Microfibre cloth dampened with warm water + mild soap (neutral shower gel works). Focus on insect marks -- soak the cloth 30 seconds on the spot to soften before wiping. **Avoid** abrasive cloths, alcohol-based wipes, any solvent: they damage clear coat and paint.

### 4. Clean the visor

Remove it if possible (quick-release mechanism on most modern models). **Soak 5 minutes** in warm soapy water. Wipe gently with a clean microfibre cloth, circular motion. For Pinlock anti-fog treated visors, follow manufacturer recommendations -- some treatments are fragile.

### 5. Strap, vents, inside the shell

**Chin strap**: damp cloth + mild soap. If fabric is frayed or discoloured, that's overall wear sign -- consider replacement.

**External vents**: soft toothbrush to dislodge stuck insects, compressed air can (at distance) for internal channels.

**Inside the shell (after foam removal)**: lightly damp microfibre wipe, never soaked. Let air dry completely before reinstalling foam.

## Disinfectant sprays: useful?

Dedicated sprays (Muc-Off Visor & Helmet, Demon Helmet Cleaner, BO Bike Visor) are **complementary** to regular cleaning, not a replacement. They:

- Deodorise foam between full washes
- Sanitise after a sweaty or rainy ride
- Quick-clean visor without full disassembly

**Use**: spray at 15-20 cm on clean surface, leave 2-5 minutes (per product), wipe or air out per instructions. Do not spray on internal EPS foam (between shell and comfort foam).

## When to replace a helmet

Per **ECE 22.06**, a helmet must be replaced in several cases independent of cleaning.

- 💥 **After any impact** — A fall, even an empty helmet dropping off the handlebars. Internal EPS foam deforms at impact and no longer absorbs correctly. **Always replace**, regardless of visual appearance.
- 📅 **Age** — Manufacturers generally recommend replacing a helmet every **5 years** or so, or every 7 years per certain models -- foam and shell age even unused.
- 👃 **Crumbling foam** — If comfort foam crumbles on disassembly, or the liner tears, it's age or moisture. The helmet has lost its precise fit: **replace**.
- 🔍 **Cracked or delaminated shell** — Any crack, even superficial, paint that bubbles, clear coat peeling in patches: the internal composite is compromised. **Immediate replacement**.

## Common mistakes

> **Warning:**
> - **Machine washing or tumble drying the outer shell** -- not an error, an act that ruins the helmet. No circumstances.
> - **Cleaning the visor with an alcohol wipe** -- destroys anti-scratch and anti-fog treatments. Warm soapy water only.
> - **Drying foam in the tumble dryer or on a radiator** -- heat deforms comfort foam and unsticks adhesive bands. Flat air drying.
> - **Wringing the foam to dry it** -- deforms the internal structure. Press gently between two terry towels.
> - **Reusing a helmet that has fallen, thinking it's intact** -- the EPS foam did its job once, it won't absorb a second impact. Mandatory replacement.

> **Read also**: [wash a textile motorcycle jacket](/en/blog/wash-motorcycle-textile-jacket/index.md), [wash motorcycle gloves](/en/blog/wash-motorcycle-gloves/index.md), [remove tar and grease stains](/en/blog/remove-grease-tar-stain/index.md).