5 non-toxic mothball swaps that work – ditch chemicals and that horrible odor with these simple but effective alternatives

They'll protect your clothing and closets from moths without harsh chemicals

A large built in closet with sliding doors in a bedroom
(Image credit: Go Modern Furniture)

Mothballs have been a go-to for protecting natural fibers for decades, but their toxic fumes can pose serious health risks to humans and our pets. Fortunately, several effective non-toxic swaps that can protect your garments without harmful chemicals.

Here, the pest experts share the five best non-toxic pest control alternatives to mothballs that deter pesky garment nibblers, protect clothing, and make your closet smells great – all without compromising your health.

Non-toxic alternatives to mothballs

Mothballs have been a staple in preventing moths in closets as their strong odor keeps most pests away. Ed Dolshun, VP of business development and technical director at Catchmaster explains, ‘To people born before 1970, the smell of mothballs probably reminded them of their grandparents' homes. Mothballs have been regulated by the EPA in the United States and even banned in some countries because their primary ingredients have a strong odor and are considered toxic by many regulatory agencies.

‘The United States EPA considers naphthalene and paradichlorobenzene, the primary ingredients in mothballs, as chemicals that are potentially harmful to humans, pets and wildlife. When exposed to air, mothballs release fumes that can cause health problems with prolonged inhalation.’

Switching to homemade moth repellent and natural pest control methods to get rid of moths is therefore essential to stay safe.

1. Cedar blocks

A stack of four cedar block rings on a wooden table.

Cedar rings are easy to slot onto clothing rails, or hang from hooks.

(Image credit: Getty Images / 1344460293)

Whether you are setting up long-term clothes storage or organizing your closet, cedar blocks are a great non-toxic go-to to prevent moths and make a closet smell nice. Eli Harel of Lice Busters shares, ‘Moths hate the smell but we love it. I hang CedarFresh rings, available at Walmart, in my closet.’

Cedar blocks are backed by science, too. A 2014 study found that cedarwood oil and cedrol ‘demonstrated a clear potential’ as a pest control agent, especially against arthropods (animals with an exoskeleton, such as moths), while the EPA concluded that cedar pest products ‘will not pose unreasonable risks or adverse effects to humans or the environment.’

2. Lavender sachets

Lavender sachet

Lavender sachets are super simple to make yourself with some dried flower heads and a breathable muslin or cotton bag.

(Image credit: Alamy)

Lavender is largely considered one of the best pest-repellent plants, so why not use lavender in your closet?

Tammy Sons, CEO and founder of TN Nursery shares, ‘I recommend using lavender sachets, personally, because they smell better and their strong herbal scent deters moths rather than attracting them.’ They are one of the things people with nice-smelling closets use for a reason.

You can buy pre-made lavender sachets from Walmart, but you can also make lavender sachets at home if you fancy a simple DIY project.

3. Diatomaceous earth

diatomaceous earth used in garden

Usually used in the garden, diatomaceous earth can be sprinkled on the floor of your closet to kill wandering pests.

(Image credit: Getty Images)

Diatomaceous earth is a messier but more effective natural method to kill moths if they are already in your closet. Eli explains, ‘It's just a powder but it works wonders on moth larvae. I sprinkle Safer Brand DE, from Walmart, in my closet corners.’

4. Moth traps

Sticky fly trap in a houseplant pot.

Sticky traps can be used all over the house to trap flying insects.

(Image credit: Dima Berlin via Getty Images)

If you spot the signs you have moths in your home and closet, you might want to try moth traps, such as the Safer Brand Pantry Pest Trap, from The Home Depot, to remove them before they reproduce.

Ed Dolshun says, ‘There are many very effective traps available for consumers. The Catchmaster Clothes Moth traps [available at Amazon] are glue boards that contain a highly attractive integrated pheromone that draws moths to them. They are safe, easy to use, and effective. Like any other pest issue, if the problem persists, homeowners should contact a local pest control operator for professional advice.’

5. Keep natural fibers in bags

A gray painted free-standing closet in a white ship lap entryway, beside a matching shoe bench with drawer storage, and a wall rack with coats hanging

Dry cleaner bags are great to keep natural fibers safe from moths.

(Image credit: Cotswold Company)

If you only have one or two natural fiber garments or sustainable fabric items that are pulling moths in, consider keeping them in closed plastic storage to prevent months without any additives, Ed suggests.

He says, ‘A holistic approach for dealing with moth-infested closets would be to try to identify and remove the sources first. Declutter a closet when possible and try to store natural fiber items in sealed garment bags.’

Meet the experts

Ed Dolshun

Ed has over 12 years experience in the pest management industry. Prior to joining AP&G he served many years as Environmental and Regulatory Specialist at Bergen County Community Development and also taught an Environmental Issues course at Fairleigh Dickinson University as part of their Masters of Administrative Science Program. 

Tammy Sons
Tammy Sons

Tammy Sons is a seasoned plant expert and the CEO of TN Nursery, a family-owned business in Altamont, Tennessee, with roots dating back to 1959. She is committed to sustainable practices and promoting native plants.

FAQs

What happens if you breathe in mothball fumes?

Mothballs release toxic fumes that, when breathed in, can cause headaches, nausea, and eye and nose irritation. Furthermore, one study suggests that repeated exposure to mothballs can also be linked to an increased risk of non-Hodgkin lymphoma.

Why do I suddenly have clothes moths?

Clothes moths are usually attracted by natural fibers such as 100% fur, silk, and wool (including cashmere). They can enter your home through open windows and doors, or through food and fabric items that are contaminated with eggs or larvae.


Once you have switched to non-toxic moth prevention, get rid of the smell of mothballs on clothes to keep laundry smelling nice beyond laundry day and remove all traces of toxic chemicals in your home.

Chiana Dickson
Content Editor

Chiana has been at Homes & Gardens for two years and is our resident 'queen' of non-toxic living. She spends most of her time producing content for the Solved section of the website, helping readers get the most out of their homes through clever decluttering, cleaning, and tidying tips. She was named one of Fixr's top home improvement journalists in 2024.

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