Is Colour Powder Safe for Children? What Schools Need to Know

If you are planning a school colour run, this is probably the first question your headteacher, PTA committee, and parents will ask. It is the right question to ask, and it deserves a thorough answer.

The Short Answer

Yes. Quality colour powder is safe for children of all ages when used properly. It is made from cornstarch (the same ingredient used in cooking and food products) and food-grade dyes. It is non-toxic, biodegradable, and washes out of clothes, skin, and hair with regular soap and water.

Thousands of UK schools run colour run events every year using cornstarch-based colour powder without incident. With a few sensible precautions, a colour run is one of the safest and most enjoyable fundraising events you can organise.

What Is Colour Powder Actually Made Of?

Quality colour powder contains two ingredients: cornstarch and food-grade colourant. That is it. There are no harsh chemicals, no heavy metals, and no synthetic fragrances. The cornstarch is the same product you would find in your kitchen cupboard, and the dyes are the same grade used in food and cosmetic products.

When buying colour powder for a school event, look for EN71 certification. This is the European safety standard that applies to products used around children, covering safety requirements for chemicals and related substances. EN71-certified powder has been independently tested and confirmed to meet these standards.

We provide a full Safety Data Sheet with every order, which you can share with your headteacher and include in your event risk assessment documentation.

Planning a colour run for your school?

The free School Colour Run Planning Pack covers safety setup, station spacing, volunteer briefing and more — everything you need before the day.

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Common Safety Questions from Parents

Can children breathe it in?

Colour powder is a fine, dry powder, so there will be dust in the air during a colour run. Inhaling a small amount is not harmful. However, as with any fine particulate, it is sensible to take precautions.

Children with asthma or respiratory conditions should wear a bandana, buff, or dust mask during the event. Have spare bandanas available at registration for any child who wants one. Brief your volunteers to toss powder at waist to chest height, not at faces, and never directly into the air above children's heads.

If a child experiences any breathing discomfort, move them to fresh air immediately and have your event first aider assess them. Ensure any child with a known respiratory condition has their inhaler accessible during the event.

What if it gets in their eyes?

Powder in the eyes stings temporarily but is not harmful. Instruct children beforehand: if powder gets in your eyes, do not rub them. Blink and rinse with clean water. Have a supply of clean water or saline eye rinse at your first aid station.

Sunglasses or safety glasses provide simple protection for children who are nervous about this. They are optional but some schools offer them as part of the event kit.

Will it stain their clothes?

Colour powder washes out of most fabrics with a normal machine wash. That said, we always recommend that children wear white t-shirts or old clothes they do not mind getting colourful. Some very light or delicate fabrics may retain a slight tint.

Include this advice in your parent letter well before the event so families can prepare. Many schools ask children to wear a white t-shirt specifically for the colour run, which then becomes a colourful keepsake of the day.

Will it stain their skin or hair?

Colour powder does not stain skin. It washes off easily in the bath or shower. Children with very light or blonde hair may notice a slight temporary tint if they are heavily covered, but this washes out within a day or two.

What about children with allergies?

Colour powder is cornstarch-based, so children with a known corn allergy should not participate in areas with heavy powder coverage. This is rare, but it is worth checking. Include a question about corn allergies on your consent form so parents can flag this in advance.

For children with sensitive skin or eczema, the powder is generally well tolerated, but if parents have concerns, suggest they test a small amount on their child's skin before the event. A patch test on the inner arm the day before will quickly show if there is any reaction.

Is it safe if they accidentally eat some?

While colour powder is not intended for consumption, accidentally ingesting a small amount is not harmful. The ingredients are food-grade cornstarch and food-grade dyes. If a child swallows some, have them drink water. No further action is needed.

Safety Precautions for Your Event

A colour run is a safe event when run with basic common sense. Here are the precautions to put in place:

  • First aid station. Set up a clearly marked first aid point with plasters, ice packs, water, eye rinse, and paper towels. Ensure a qualified first aider is present.
  • Water and washing station. Provide clean water near the finish line for handwashing and eye rinsing.
  • Volunteer briefing. Brief all volunteers to toss powder gently at waist to chest height. Never at faces. Never into the wind towards spectators.
  • Asthma awareness. Ask parents to flag asthma or respiratory conditions on the consent form. Have spare bandanas or masks available. Ensure inhalers are accessible.
  • Consent forms. Send consent forms home at least two weeks before the event covering participation in physical activity and contact with colour powder.
  • Supervision. Have roaming adult supervisors on the course in addition to station volunteers, especially for younger year groups.

What to Include in Your Risk Assessment

Every school event requires a risk assessment. For a colour run, the key hazards to document are:

Hazard Who Is at Risk Control Measures
Powder inhalation Participants, volunteers Toss at waist height, not at faces. Bandanas/masks available for asthmatic children. First aider present.
Powder in eyes Participants, volunteers Eye rinse station available. Sunglasses optional. Children briefed to blink and rinse, not rub.
Slipping on powder Participants Course checked for hazards before event. Powder buildup swept between waves on hard surfaces.
Trips and falls Participants Course walked beforehand. Uneven ground, drain covers, tree roots marked or avoided.
Allergic reaction Participants with corn allergy Consent form includes allergy question. Affected children given alternative participation options.
Weather (rain, high wind) All Rain date identified. Event postponed in heavy rain or strong wind.

We provide a free, ready-to-adapt risk assessment template as part of our School Colour Run Planning Pack.

What About Cheap or Unbranded Powder?

Not all colour powder is the same. Cheap, unbranded powder imported without proper testing may contain ingredients that are not food-grade or may not meet EN71 safety standards. When buying colour powder for a school event involving children, always:

  • Check for EN71 certification
  • Ask for a Safety Data Sheet (any reputable supplier will provide one)
  • Confirm the powder is cornstarch-based with food-grade dyes
  • Buy from a supplier who specialises in event colour powder, not a random marketplace listing

Your headteacher and parents are trusting you to use a safe product. This is not the place to cut corners to save a few pounds.

Sharing Safety Information with Parents

The best way to put parents at ease is to share safety information proactively, before anyone asks. Include a brief safety note in your parent letter: what the powder is made of, that it is non-toxic and EN71-certified, what precautions you are taking, and what children should wear.

Make the Safety Data Sheet available to any parent who wants to see it. Most parents will not ask, but the ones who do will be reassured by the transparency.

The Bottom Line

Colour powder is safe for children. It is made from cornstarch and food-grade dyes, independently tested to EN71 standards, and used by thousands of UK schools every year. With sensible precautions (first aid station, volunteer briefing, asthma awareness, consent forms, and a proper risk assessment), a colour run is one of the safest and most enjoyable events your school can organise.

Free School Colour Run Planning Pack

Everything you need to plan, promote and run your colour run — timeline, budget sheet, volunteer checklist and more. Free download.

Download the free planning pack

For the complete planning guide including free downloadable templates, risk assessment, and parent letter, visit our Colour Run Planning Hub.

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