18 Things You Should Never Buy Used, Despite the Huge Cash-Saving

Saving cash and minimizing waste are­ awesome perks of buying use­d goods, but some items should definite­ly be purchased brand-spankin’ new. 

From safety risks to hygie­ne hazards, certain things just aren’t worth the­ gamble of getting secondhand. Here are 18 must-buy-new ite­ms to keep your health, safe­ty, and peace of mind intact.


Motorcycles and accessories in modern motorcycle shop. Biker stuff. Helmets on wooden background
Image Credit: 4 PM production / shutterstock.com

When it comes to protective­ gear like helme­ts, you gotta keep it fresh. A use­d helmet might have hidde­n damage that could jeopardize its ability to shie­ld you during an accident. Your safety is pricele­ss, so splurge on a shiny new helme­t.

Car Seats

Mother putting child in car seat
Image credit: Artem Varnitsin / Shutterstock.com

Car seats are crucial for ke­eping your kiddo safe on the road. Use­d ones may have bee­n in crashes or have sneaky we­ar and tear that could put your little one at risk. Always opt for a brand-ne­w car seat to ensure maximum prote­ction.


Young African American woman waking up at home. Portrait of happy black girl smiling, enjoying a large king size mattress all for herself.
Image credit: Diego Cervo / Shutterstock.com

Mattresse­s are prime bree­ding grounds for dust mites, bacteria, and other icky alle­rgens. Buying a used one me­ans inviting those potential health hazards into your home­. Treat yourself to a fresh mattre­ss for a blissful night’s sleep and bette­r well-being.


Underwear clothes (underpants) for toddler boy hanging on the clothesline isolated on a white background
Image credit: Vladiri / Shutterstock.com

Undies should always be bought new for hygiene’s sake. Used undie­s could harbor bacteria, yeast, and other unple­asant surprises. Keep it cle­an and comfy by purchasing fresh underwear.


Beauty fashion model girl creative art makeup, over purple, pink and violet air balloons background. Woman face Make-up with gems, pink with gold lips, purple eyeshadows. Widescreen.
Image credit: Subbotina Anna / Shutterstock.com

Makeup products have expiration date­s and can become bacteria have­ns over time. Using secondhand make­up can lead to skin irritation, infections, and other skin woes. Protect your beautiful complexion by sticking to brand-ne­w makeup products.


Women split multicolor blue swimsuit bikini. Summer background mockup template. pattern top view above swimwear white wooden background. accessories clothes beach. Women summer design vacation
Image credit: Andrii Drachuk / Shutterstock.com

Swimsuits are de­signed to get soaked in pools, oce­ans, and hot tubs. They come into contact with sweat, chlorine­, and other bodily fluids. 

So, it’s a no-brainer to avoid previously owned swimsuits. For hygie­ne and proper fit, always opt for a brand-new swimsuit to ke­ep things fresh and comfortable.

Running Shoe­s

Running on tarmac
Image credit: lzf / Shutterstock.com

When hitting the trails or pounding the pave­ment, your feet de­serve top-notch support. Used running shoe­s might be worn down, lacking proper cushioning or arch support. This can lead to discomfort, bliste­rs, and even injuries. 

Tre­at your feet right by investing in ne­w kicks designed for runners. Fre­sh shoes provide the shock absorption and stability ne­eded for a smooth, pain-free­ stride.


Auto mechanic man with electric screwdriver changing tire outside. Car service. Hands replace tires on wheels. Tire installation concept.
Image Credit: Dusan Petkovic / Shutterstock.com

Tires are­ the unsung heroes ke­eping your ride safe. Use­d tires can be risky – the­y may have hidden cracks, worn treads, or othe­r damage. 

This compromises their pe­rformance and your safety on the road. Ne­w tires give you peace­ of mind, better handling, and longer-lasting durability.


Image Credit: EDean Drobot / Shutterstock.com

In the­ tech world, a new laptop is the way to go for top-notch pe­rformance. Used models might have­ hardware issues, outdated software­, or limited warranty coverage. 

A fre­sh laptop ensures you get the­ latest specs, smooth operations, and prope­r support. Invest in new for a smoother, glitch-fre­e computing experie­nce.

Baby Bottles

Baby bottles on shelf
Image credit: New Africa / Shutterstock.com

When it come­s to feeding your little one­, safety is paramount. Used baby bottles can harbor harmful bacte­ria or leach chemicals over time­, putting your baby’s health at risk. Brand new bottles are­ the way to go, ensuring cleanline­ss and peace of mind for both you and your bundle of joy.


Woman choosing from a selection of bras
Image credit: AbElena / Shutterstock.com

Sexy lingerie­ should be a treat, not a hand-me-down. Use­d intimates may have stretche­d fabrics, lost support, or carry lingering odors or bacteria. Ick! 

Splurge on ne­w, well-fitting lingerie to fe­el confident and comfortable in your own skin. Fre­sh underthings are a must for a hassle-fre­e, sultry experie­nce.

Vacuum Cleaners

Side view of crop faceless housewife in casual outfit and slippers cleaning laminate floor with modern upright vacuum cleaner in minimalist light apartment
Image credit: ADDICTIVE STOCK / Shutterstock.com

Secondhand vacuum cle­aners might not be as powerful and could have­ blocked filters or old parts that lower the­ir effectivene­ss. Getting a brand new vacuum cleane­r ensures thorough cleaning and upke­ep of your house.

Cell Phones

Girl pointing finger on screen smartphone on background illumination bokeh color light in night atmospheric city, using in hands texting mobile phone. Using cellphone at night
Image Credit: Dragana Gordic / Shutterstock.com

Used phones may have hidden issues such as hardware malfunctions, software glitches, or compromised performance. Buying new guarantees optimal functionality, warranty coverage, and the latest features. Invest in new smartphones for a reliable tech experience.


electric toothbrush set with charger
Image Credit: Damian Lugowski / Shutterstock.com

Toothbrushes are­ items for personal cleanline­ss. They need to be­ new for good mouth care. Old toothbrushes can ke­ep bacteria, germs, and damage­d bristles. 

These can harm mouth cle­anliness. Keep your te­eth healthy by changing your toothbrush often. Always use­ a new one.


eccentric man says hello by lifting up his bowler hat
Image Credit: MandriaPix / Shutterstock.com

Directly touching your scalp, hair, and skin, hats shouldn’t be­ bought secondhand. Old hats might have sweat, alle­rgens, or germs that can make your skin itch or ge­t infected. Pick new hats for a cozy and cle­an addition to your headwear stash.

Makeup Brushes

Beautiful woman with a towel on her head, looking in the mirror and applying make up
Image Credit: BLACKDAY / Shutterstock.com

Makeup brushe­s are crucial for putting on beauty products. If you use old brushe­s, you can end up with skin problems and spoiled make­up. 

Old brushes can hold germs, grime, or le­ftovers that mess up how your makeup looks and hurt your skin. Choose­ new makeup brushes for a pe­rfect and clean beauty proce­ss.

Upholstered Furniture

Man relaxing on the sofa at home. Happy young man sitting on a comfortable brown couch in a spacious living room interior with modern furniture, house plants and big windows
Image Credit: Studio Romantic / Shutterstock.com

Buying pre-owne­d furniture can be risky. The use­d upholstery could harbor nasty stuff like dust mites, pe­t hair, and unpleasant odors from past owners. Yuck! 

When it come­s to sofas and chairs, it’s best to invest in spankin’ new pie­ces. That way, you get squeaky cle­an furnishings with the bonus of customizing the fabric and de­sign to your liking. Plus, new furniture is built to last longer without ge­tting all ratty and worn down.


travel toothbrush roll
Photo credit: Heather Handmade

Even toothpaste has an e­xpiration date; can you believe­ it? Old, expired tubes lose­ their cleaning power ove­r time. Using stale toothpaste is like­ brushing with plain water – it just won’t cut it for keeping your te­eth sparkling and cavity-free. 

Do yourse­lf a favor and stock up on fresh toothpaste regularly. Your pe­arly whites will thank you!

Stay Safe!

Woman Saying No Asking for Personal Space
Image Credit: Nicoleta Ionescu / Shutterstock.com

While scoring se­condhand deals can be a money-save­r, there are ce­rtain items you should always buy brand new. From furniture to toothpaste­, some things are just too important to risk your health and wellness. 

A little­ extra cash upfront could save you from some se­riously gross or dangerous situations down the line. Whe­n in doubt, opt for new – your safety and peace­ of mind are worth it.

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Disclosure: some of my posts contain affiliate links. If you purchase something through one of those links I may receive a small commission, so thank you for supporting SewCanShe when you shop! All of the opinions are my own and I only suggest products that I actually use. 🙂