When I was on the hunt for the best non-toxic graters, my criteria were: durability, sharpness, and safety. I looked for tools made from high-quality stainless steel that resist rust and maintain their edge.
Ease of cleaning was another biggie—nobody wants to spend more time scrubbing than actually cooking! I also focused on safety features like protective sleeves and storage containers to keep fingers and blades safe.
For more healthy kitchen staples, check out the safest non-toxic measuring spoons, the best dinnerware brands, non-toxic juicers, plastic-free garlic presses, best colanders, plastic-free salad spinners, best non-toxic peelers, and the zero-waste kitchen swaps.
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I never thought I’d be so excited about a non-toxic grater, but here we are. You might think a zester/grater is just a humble kitchen tool, but trust me, it can make a world of difference in your cooking—and not just because it shreds your cheese to perfection.
After testing dozens of graters, I’ve found that these little devices can actually have a big impact on both the taste and safety of your food.
Some graters are made with materials that can contain harmful substances like BPA (a chemical found in plastics) or phthalates (which are often used to make plastics more flexible). Over time, these chemicals can leach into your food, especially when they come into contact with acidic ingredients.
Then there’s the issue of rust and wear. Low-quality graters might seem fine at first, but they can rust or dull over time. Rusty graters are not just an eyesore—they can also be a breeding ground for bacteria.
A grater that loses its sharpness or integrity won’t give you the fine, even results you need, making food prep a frustrating chore.
Related: Best non-toxic microwave steamers
But First, What Is the Difference Between a Grater and a Zester?
While both tools are essential for adding those perfect finishing touches to your dishes, they serve different purposes and come with their own set of features.
Graters come in various shapes and sizes, usually featuring multiple sides with different grating options—fine, coarse, and sometimes even slicing blades. They’re perfect for shredding cheese, grating vegetables, or even chocolate.
Zesters, on the other hand, are all about precision. They’re typically smaller and more specialized than graters. A zester’s fine, sharp blade is perfect for removing just the outer, flavorful layer of citrus fruits, like lemons and limes, without getting into the bitter pith underneath. They can also be used for finely grating things like garlic or ginger. Zesters are usually designed to be extra sharp to create those tiny, aromatic shreds that can elevate your dishes.
So, to sum it up: if you’re looking for a tool to handle a variety of grating tasks, go for a non-toxic grater. If you need something to finesse those citrus zests or finely grate spices, a non-toxic zester is your best bet.
The Most Toxic Materials in Graters and Zesters to Avoid
Granted, when we think of kitchen gadgets, we usually focus on how well they do their job—whether they can shred cheese like a champ or zest a lemon to perfection. But, in reality, these seemingly innocent tools might actually be hiding a few dirty secrets in the form of toxic materials.
Plastic (BPA & Phthalates)
Plastic is everywhere—it’s lightweight, cheap, and can be molded into all sorts of shapes. That’s why some graters and zesters come with entire plastic bodies.
But here’s where things get a bit sticky. Many plastics, especially those used in cheaper kitchen tools, contain chemicals like BPA (Bisphenol A) and phthalates.
These chemicals are used to make the plastic durable and flexible, but they can also leach into your food, especially when exposed to heat or if the plastic gets damaged.
- What’s the deal with BPA? BPA is a chemical that’s been linked to a variety of health issues, including hormone disruption, heart problems, and even an increased risk of cancer. And get this: studies have shown that BPA can mimic estrogen in the body, potentially leading to all sorts of hormonal imbalances.
- Phthalates: Often called “plasticizers,” phthalates make plastics more flexible. But like BPA, they’ve been associated with hormone disruption, reproductive issues, and even developmental problems in children. They’re sneaky little devils, showing up in all sorts of plastic products, including some kitchen tools.
Non-Stick Coatings (PFAS)
Ah, non-stick coatings—they make life so much easier, right? No more scrubbing away at stuck-on cheese or zest. But let’s pump the brakes for a second.
Many non-stick coatings are made from a group of chemicals known as PFAS (per- and polyfluoroalkyl substances), also dubbed as “forever chemicals” because they don’t break down easily in the environment or our bodies.
- The lowdown on PFAS: PFAS are linked to a range of serious health issues, from cancer to liver damage, immune system disruption, and developmental problems. In fact, some studies suggest that these chemicals can stay in your body for years, building up over time and increasing the potential for harm.
- Why are they used? Non-stick coatings are used because they provide that super-smooth surface that makes grating and zesting a breeze. But at what cost? When these coatings start to wear off, they can flake into your food, and when heated, they can release toxic fumes. Not exactly the seasoning you want on your food!
Lead and Cadmium in Low-Quality Metals
Lead and cadmium are heavy metals you don’t want anywhere near your food, but they can sometimes sneak into lower-quality metal kitchen tools, especially those that are poorly made or come from unregulated sources.
- Lead: Lead is toxic to virtually every organ in the human body, and there’s no safe level of exposure. It’s particularly harmful to children, where it can cause developmental delays, lower IQ, and behavioral issues. In adults, lead exposure can lead to high blood pressure, kidney damage, and reproductive problems.
- Cadmium: This is another bad actor that can cause kidney damage, bone loss, and even cancer after long-term exposure. Cadmium can be found in some cheap metal alloys used in kitchen tools, often as a byproduct of the manufacturing process.
Nickel in Stainless Steel
Now, I know what you’re thinking—wait, isn’t stainless steel supposed to be the safe option? And yes, it generally is, but there’s a little caveat.
Some people have a sensitivity or allergy to nickel, which is a component in most stainless steel alloys. For those sensitive to nickel, repeated exposure (like when using a stainless steel grater) can cause skin rashes, irritation, or worse.
Nickel is used in stainless steel to increase its corrosion resistance and durability. While the amounts that leach out during normal use are typically low, for those with a sensitivity, even small amounts can be problematic.
The Safest Materials for Graters and Zesters You Can Trust
Stainless Steel
Stainless steel is the safest option out of all kitchen materials. It’s durable, easy to clean, and—most importantly—safe. Unlike other metals that might sneak in some unwelcome guests like lead or cadmium, high-quality stainless steel is your best bet for a toxin-free experience.
Pro chiefs and hobbyists alike love it for its rust-resistant, which means it’ll hold up even if you accidentally leave it in the sink longer than you should (we’ve all been there).
It’s also non-reactive, so it won’t leach any chemicals into your food, even if you’re grating something acidic like lemon zest or tomatoes.
Plus, it’s dishwasher-safe, making cleanup a breeze—because who wants to spend more time scrubbing than necessary?
- What to look for: When shopping for a stainless steel grater or zester, look for labels like “18/8” or “18/10” stainless steel. These numbers refer to the ratio of chromium and nickel, which gives stainless steel its rust-resistant properties. The higher the numbers, the better the quality.
Ceramic
Ceramic is gentle, effective, and oh-so-elegant. These graters and zesters are made from naturally non-toxic materials, and they offer a few unique benefits that might make them the perfect addition to your non-toxic kitchen arsenal.
Because non-toxic ceramic tools stay cool to the touch, they are a great option if you’re working with ingredients that are temperature-sensitive (like chocolate or garlic).
They’re also non-reactive, meaning they won’t absorb flavors or odors. So, if you’re zesting a lemon one minute and grating ginger the next, you won’t have to worry about cross-contamination of flavors.
Plus, ceramic is pretty darn durable—it’s not as prone to wear and tear as other materials, which means it can last you a long time if you treat it right.
- Things to keep in mind: Ceramic tools are best for lighter-duty jobs. They’re fantastic for zesting citrus or grating softer foods, but they might not be the best choice if you’re tackling something harder, like Parmesan cheese. Also, while ceramic is strong, it’s not indestructible, so be gentle with it to avoid chipping.
Silicone-Grip Handles
Let’s not forget about the handles—because no one likes a kitchen tool that’s a pain to hold. That’s where silicone-grip handles come in. The right handle can make all the difference in how easy and comfortable your grating and zesting experience is.
Silicone is naturally non-toxic, especially when it’s food-grade. It’s flexible, and comfortable, and provides a non-slip grip that makes using your tools safer and more enjoyable. Plus, high-quality silicone is resistant to heat, so it won’t start breaking down if things get a little warm in the kitchen.
- What to watch out for: Not all silicone is created equal. Some lower-quality silicone can contain fillers that might leach harmful chemicals when exposed to heat. To avoid this, make sure you’re opting for food-grade, BPA-free silicone. It’s also a good idea to give it a little sniff test—quality silicone should be odorless. If it smells like chemicals, that’s a red flag.
Wood
Wood might seem a bit old-school, but it’s making a comeback for good reason. Wooden handles on graters and zesters not only add a touch of rustic charm but are also a safe, non-toxic option when sourced sustainably and treated properly.
Wood is naturally non-toxic and biodegradable, making it a great eco-friendly choice. It’s also incredibly sturdy and can provide a solid, comfortable grip. With proper care, wooden handles can last a long time and develop a lovely patina that adds character over time.
- Care tips: To keep your wooden handles in top shape, avoid soaking them in water and instead, hand wash them and dry them promptly. You can also periodically treat them with a bit of food-grade mineral oil to keep the wood from drying out and cracking.
The Different Grater and Zester Types
Just like you wouldn’t use a butter knife to chop veggies (unless you’re into extreme kitchen sports), you wouldn’t want to use the wrong non-toxic grater or zester for your culinary creations. So let’s go over the different styles and how each one can make your cooking life a whole lot easier.
Box Graters
If kitchen tools were superheroes, the box grater would be the one with all the gadgets. You’ve probably seen one—it’s that big, four-sided grater that looks a bit like a mini skyscraper. Each side has a different grating surface, making it a versatile tool for just about anything you need to shred, slice, or grate.
- Why it’s a kitchen must-have: With multiple grating options—usually fine, medium, coarse, and a slicer—you can tackle everything from grating cheese to shredding vegetables for a salad or even zesting a lemon in a pinch. Plus, they’re sturdy, stand upright, and often come with a top handle, making them easy to hold while you work.
- Best uses: Cheeses, potatoes, carrots, and any veggie you want to shred or slice. Just remember, it’s not the most delicate option, so if you’re going for ultra-fine zest or shavings, you might want to reach for something else.
Microplane Zesters
If zesting citrus was a competitive sport, the Microplane zester would be the pro athlete. This sleek, handheld tool is perfect for getting super-fine shavings of citrus peel, hard cheeses, or even spices like nutmeg. It’s all about precision with this one.
- Why it’s a zest lover’s dream: Microplane zesters are incredibly sharp and designed to remove just the outermost layer of citrus peel—where all those lovely oils and flavors are concentrated—without digging into the bitter white pith. It’s a game-changer for adding a burst of citrus to your dishes. Plus, it’s small and easy to maneuver, so you can zest right over your dish without making a mess.
- Best uses: Zesting lemons, limes, oranges, and other citrus fruits, grating hard cheeses like Parmesan, or even shaving chocolate and spices for that extra flair.
Flat or Rasp Graters
Think of flat or rasp graters as the minimalist’s grater—no frills, just the basics. These are the slim, flat graters that often have just one grating surface. They’re compact, easy to store, and perfect for smaller jobs that don’t require the full power of a box grater.
- Why it’s a go-to for small jobs: Flat graters are all about convenience. They’re lightweight, easy to handle, and can grate directly over a bowl or plate. Plus, they’re simple to clean—just a quick rinse, and you’re done. They’re not as versatile as a box grater, but when you need something quick and easy, they’re perfect.
- Best uses: Grating small amounts of cheese, garlic, ginger, or zesting citrus. They’re also great for grating things directly onto your dish, like a finishing touch of Parmesan on pasta.
Rotary Graters
Rotary graters are those nifty gadgets where you place your cheese or veggie inside, crank the handle, and watch the magic happen. They’re especially popular for grating cheese at the table—just like at your favorite Italian restaurant.
- Why it’s a great, safe choice: Rotary graters are great if you’re grating a lot of cheese or if you want something a bit more hands-free. The grating happens inside the drum, so there’s no risk of accidentally grating your fingers (ouch!). Plus, they’re super easy to use, even for kids or those with limited hand strength.
- Best uses: Cheese, cheese, and more cheese. They’re also handy for nuts or chocolate if you need finely grated toppings for desserts. Just don’t expect them to handle big, tough veggies—leave that to the box grater.
So, what’s the best non-toxic grater or zester for you? It all depends on what you’re grating or zesting and how often you’re doing it.
If you’re a cheese fanatic, a box grater or rotary grater might be your best friend. If you’re all about those citrusy vibes, a microplane zester is a must-have. And if you like keeping things simple and easy, a flat grater might be just what you need.
Best Non-Toxic Graters and Zesters for Cheese & Vegetables
1. OXO Etched Coarse Grater
Why I love it: Its sharp, etched stainless steel surface makes quick work of grating and zesting soft cheese, potatoes, and veggies. The OXO grater has a safety cover to keep both the grating surface and your hands protected when not in use. And thanks to the non-slip foot, this grater doesn’t slip and slide all over the counter.
Best For: Semi-soft cheeses, potatoes, zucchini, onions, cabbage, butter, apples
Material: Stainless steel
Blade Types: Coarse
2. OXO Steel Grater
Why I love it: This OXO non-toxic grater has a sharp, etched stainless steel surface that makes quick work of everything from cheese to chocolate, and even veggies that usually play hard to get.
It has a great non-slip grip and the construction is seriously strong. Plus, it comes with a storage cover to protect the tiny blades.
Best For: Cheese, citrus, vegetables, chocolate
Material: Stainless steel
Blade Types: Fine
3. KitchenAid Gourmet 4-Sided Box Grater
Why I love it: The KitchenAid BPA-free stainless steel grater is made from high-quality, rust-resistant stainless steel, it’s built to last. I’ve put it through its paces, grating everything from cheese to vegetables, and it hasn’t let me down once.
One of my favorite things about this grater is the four different grating patterns. Whether I need a fine blade for zesting, a medium or coarse blade for grating, or a slicing blade for veggies, it’s all right there in one tool.
The grater also comes with a built-in storage container with capacity markings, so I can easily measure out exactly what I need without dirtying another dish.
Best For: Cheese and vegetables
Material: Stainless Steel
Blade Types: Fine, Medium, and Coarse
4. Tomorotec Stainless Steel Cheese Grater With Wood Handle
Why I love it: The fine, ultra-sharp stainless steel micro serrations are no joke—they tackle firm cheeses and just about anything else you throw at them. Grating is smooth and efficient, with none of the usual clogging that can slow you down.
What’s more, the non-slip foot is a lifesaver when you need to apply a little more force, making the whole process safer and more controlled. And it comes with a protective blade guard.
Best For: Parmesan Cheese Lemon, Ginger, Cheese, Nutmeg, Potato, Chocolate and Garlic Small
Material: Wood, and rust-resistant 304 stainless steel
Blade Types: Fine
5. Norpro Stainless Steel Cheese Grater
Why I love it: Whether I am tackling a massive block of cheese or prepping veggies, this non-toxic grater can do it all. With its coarse shred, medium shred, fine shred/zester, and slicer, I use it for pretty much every task.
And when it comes to zesting citrus, this little gadget turns lemons into lemonade with its fine shred side. The stainless steel construction means it’s not only durable but also rust-resistant, so you know it’s built to last.
Best For: Soft and hard cheeses, fruits and vegetables, chocolate, garlic, ginger, nuts and more
Material: Stainless Steel
Blade Types: Coarse shred, medium shred, fine shred/zester, and slicer
6. BergHOFF LEO Stainless Paddle Grater
Why I love it: I never realized how much I needed an ultra-coarse paddle grater until I got my hands on this one. I’ve grated soft cheeses for lasagna and shredded zucchini for a quick stir-fry multiple times –this BPA-free grater handles it all with ease.
The ergonomically designed handle makes it comfortable to use, even when I’m tackling a big batch of veggies. Plus, the anti-skid base adds that extra bit of stability, so I can grate away without worrying about it slipping around on the counter.
Best For: Soft and hard cheese, vegetables and more
Material: 18/10 stainless steel blade
Blade Types: Ultra-coarse
7. Deiss PRO Lemon Zester & Cheese Grater
Why I love it: The Deiss non-toxic zester grater & food shredder is equipped with a razor-sharp stainless steel blade that refuses to rust and a comfortable, non-slip handle, this grater is as durable as it is user-friendly.
The unique curved sides add extra rigidity, allowing you to apply more force when you need it without any worry. Plus, unlike other graters I’ve tried in the past, the metal teeth won’t clog up, so a quick rinse under running water, and you’re good to go.
Best For: Parmesan Cheese Lemon, Garlic, Nutmeg, Chocolate, Fruits, Vegetables, Ginger Grater
Material: Stainless Steel
Blade Types: Fine
8. Cuisinart Boxed Grater
Why I love it: This is the only non-toxic grater that comes with a Lifetime Warranty! It has 4 different sides, all made of stainless steel, to tackle any task you throw its way—whether it’s fine shredding, coarse shredding, fine grating, or slicing.
The soft-grip handle makes it comfortable to hold, even when you’re grating a mountain of cheese or slicing up veggies for dinner. And the nonslip base has saved me from making a huge mess more than once.
Best For: Cheese, carrots, lemon zest, and more
Material: Stainless steel with plastic handle
Blade Types: Fine, coarse shredding, fine grating, slicing
Caring for Your Non-Toxic Zesters and Graters
So, you’ve got yourself some non-toxic graters and zesters—high five! Now, let’s make sure they stay in tip-top shape so they can keep shredding, zesting, and generally making your kitchen life awesome for years to come.
Proper care is key to ensuring your tools remain safe, sharp, and ready to tackle whatever you throw at them. Plus, a little TLC goes a long way in keeping your kitchen gadgets free from bacteria and rust.
Cleaning
The first rule of caring for your graters and zesters is keeping them clean—because nobody likes old cheese residue or stuck-on lemon zest. But, just like with everything else in your kitchen, the way you clean them matters.
- Hand Washing for the Win: While some graters and zesters might claim to be dishwasher-safe, hand washing is the best way to extend their life. The high heat and harsh detergents in dishwashers can dull blades and degrade materials over time. Instead, give your tools a quick rinse under hot water immediately after use to prevent food from hardening. For stubborn bits, use a soft brush (like an old toothbrush) to gently scrub away any residue.
- Skip the Soak: It might be tempting to let your grater or zester soak in the sink, especially after a sticky job like zesting citrus. But soaking can lead to rust, especially on stainless steel tools. Instead, rinse and wash them as soon as possible, then dry them thoroughly.
- Use the Right Soap: Stick to mild, non-toxic dish soap for cleaning. Harsh chemicals can break down the materials in your kitchen tools over time, especially if they have silicone grips or wooden handles.
Drying
Even the best stainless steel can fall victim to rust if left wet for too long. Moisture is the enemy when it comes to keeping your graters and zesters in prime condition.
- Dry Thoroughly: After washing, dry your tools immediately with a clean, dry towel. Pay special attention to any joints or seams where water might hide. For tools with small nooks and crannies, like rotary graters, you might want to give them a few extra shakes to make sure no water is lingering.
- Air Drying Done Right: If you prefer to let your tools air dry, place them on a dish rack in a way that allows maximum airflow. Make sure they’re not sitting in a puddle of water, and consider flipping them after a few minutes to ensure all sides dry evenly.
Storage
Where you store your BPA-free graters and zesters can make a big difference in how long they last and how safe they are to use.
- Keep Them Dry: Store your graters and zesters in a dry, cool place to prevent rust and degradation. A kitchen drawer lined with a soft mat is a great spot. Just make sure they’re not rubbing against other metal tools, which can dull the blades.
- Protect the Blades: If your grater or zester didn’t come with a protective cover, consider investing in one or making a simple DIY version using a cloth or silicone sleeve. This will protect the blades from dulling and keep your fingers safe when you reach into the drawer.
- Hang Them Up: If you have the space, consider hanging your graters and zesters on a hook or magnetic strip. This keeps them off countertops (where they can collect bacteria) and makes them easy to grab when you need them.
Maintenance
Just like your knives, your graters and zesters need a little maintenance to keep them sharp and effective.
- Sharpening Your Tools: Over time, the blades on your graters and zesters might start to dull, making them less effective. While it’s a bit tricky to sharpen a grater or zester yourself, some kitchen stores offer sharpening services. Alternatively, you can gently use a fine file to touch up the edges if you’re feeling adventurous.
- Oil Wooden Handles: If your tools have wooden handles, keep them looking and feeling great by treating them with food-grade mineral oil every few months. This prevents the wood from drying out and cracking, especially if you live in a dry climate.
- Inspect Regularly: Make it a habit to regularly inspect your graters and zesters for signs of wear and tear. If you notice any rust spots, dull blades, or cracks in the handles, it might be time to replace them. Using a damaged grater isn’t just frustrating—it can be dangerous, too.
Final thoughts on non-toxic graters and zesters
There you have it – the best non-toxic graters and stainless steel zesters that passed my tests with flying colors. Every pick is completely free of all toxic chemicals!
These materials—whether it’s plastic, non-stick coatings, or low-quality metals—are used because they’re cheap, convenient, and often make the tools easier to use. But the trade-off is that they can introduce harmful chemicals into your food and, ultimately, your body.
And remember, with just a little bit of care, these kitchen essentials will stay sharp, clean, and ready to help you create delicious meals without any unwanted toxins sneaking in.
Konstantina Antoniadou is an expert sustainability writer, certified in Chemicals and Health by Johns Hopkins University, where she focused on the toxicity of commonly found household chemicals and their health impacts. She has also completed specialized studies in Sustainable Fashion (Copenhagen Business School), Business Models for Sustainability (BMS), and Sustainable Development Goals (University of Copenhagen), deepening her expertise in the connection between personal choices and global environmental change. With years of experience as a senior writer and researcher, Konstantina now leads our reviews of non-toxic home products, beauty and skincare brands, and sustainable fashion. K. is also the creator of the popular 7-Day Non-Toxic Living Challenge, downloaded over 2,000 times and praised for its accessible, science-backed tips.
