A quatrefoil flat back sits behind the ear and the front screws on. Nothing to poke, nothing to catch, nothing to take out at night.
“The only materials I recommend for piercings are implant-grade, especially titanium. With cheaper alternatives, you never really know what metals are hidden beneath the plating, and that uncertainty can lead to complications”
Karly Adams · Certified Piercer, AURUM.Ldn
Not sure of the length?
The size kit has a post in every length, in both gauges. Order once, find your fit at home.
One or a pair?
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£60 for free UK delivery.
Loved by 24,000+ ears.
Having trouble with your labret?
Threadless labrets can be tricky to insert the first time - particularly in helix, conch and flat piercings.
This tool helps guide the post through smoothly, so you can fit your jewellery with confidence at home.
Makes fitting threadless labret posts quicker and easier
Especially helpful for cartilage piercings
Helps avoid fumbling or dropping the post
Reusable - keep it for future stack changes
Crafted from premium 316L Surgical Steel, it’s both durable and gentle on your skin. Add this little helper to your collection today and make your earring game smooth and stylish!
8mm - standard for lobes and most fresh piercings.
6mm - a snug fit for thinner cartilage placements (helix, tragus, flat). Fully healed and want it flush? Choose 6mm.
Internally threaded, with threads 3x longer than standard so the front catches first time at home. Sold as a single - choose Pair above if you want two.
Fresh piercing? Posts often need downsizing once the swelling goes. Ask your piercer when.
Same-day dispatch on orders placed Monday to Friday before 2pm.
Letterbox-sized, so it goes through the door. You do not need to be in.
Lifetime warranty against tarnishing on Implantium™ titanium and PureTone™ steel. One year on stones, breakages and plating wearing off.
Implantium™ is our name for ASTM F-136 implant-grade titanium - the alloy standard written for surgical implants, and the metal piercers ask for by name. Nickel-free. Hypoallergenic. Never turns green.
"Titanium" on a label can mean several grades. Implantium™ means one, and it is only available at Smoothie.
Gold styles are plated with real gold over the same titanium.
In our customer's words
“I loveeee these earrings they have been in for ages and have had no issues, they helped to heal my difficult piercings”
Rhiannon · Loox review
“I have had my piercing for years, always been infected and have tried loads of different jewelleries, never worked. These flatbacks are amazing”
Natalie · Loox review
“Lovely cartilage jewellery! Have struggled with irritation in my 2nd lobe holes and my top cartilage, now I have no issues.”
Hayley · Loox review
“Absolutely love this piece. My helix was previously struggling to heal and since switching to this piece of jewellery, I no longer suffer with swelling.”
Rachael · Loox review
“Love my Sparkly helix flat back! I can finally sleep on my side after 2 years of a bruised & tender feeling ear”
Kerry · Loox review
“Stunning earrings that don't irritate my healing piercings.”
Charlie · Loox review
Why it stays in
A flat back behind the ear. Nothing to poke into a pillow.
Swim, sweat, shower. It comes out the same as it went in.
Built to live on you, not in a box.
Implantium™ F-136 implant-grade titanium. Nickel-free and hypoallergenic.
The top twists off the post.
The flat disc sits against the back of your ear.
3x longer threads, so it catches first time. Finger-tight. Done.
Built differently
ASTM F-136 titanium
Our name for implant-grade titanium - the alloy standard written for surgical implants, and the metal piercers ask for. Nickel-free. Never turns green.
Easy at home
Because we're sick of dropping our earrings down the sink. Change them at home in 30 seconds.
Not a plain disc
The flat back is a four-leaf shape, so it looks as considered from behind as it does from the front. Nothing to poke into a pillow.
Before you ask
Yes. A flat disc sits behind the ear instead of a butterfly back, so there is nothing to poke into a pillow.
No. Implant-grade titanium does not fade, rust or discolour. Swim, sweat, shower and sleep in it.
One. Flatbacks are sold as singles so you can mix and match across lobe and helix positions. Choose Pair above if you want two of the same.
8mm is standard for lobes and most fresh piercings. 6mm is a snug fit for thinner cartilage placements - helix, tragus, flat. Tap where it is going above and we will pick for you. Still not sure? The Find Your Post Size Kit has a post in every length, in both gauges - order once and find your fit at home.
Our titanium is Implantium™, implant-grade F-136 - the material piercers actually recommend. Nickel-free and hypoallergenic.
Implant-grade titanium is what professional piercers use for healing piercings, but healing depends on more than the jewellery - post length, aftercare and not sleeping on it all matter, and posts often need downsizing once the swelling goes. Ask your piercer when to switch. They know your ear.
Internally threaded, with threads 3x longer than standard so the front catches first time. Twist the front piece onto the post to put it in; gently unscrew it to take it out.
Lifetime warranty against tarnishing on Implantium™ titanium and PureTone™ steel, and a year on stones, breakages and plating wearing off. Message us and we will sort it. Full terms here. Same-day dispatch on orders placed Monday to Friday before 2pm.
A quatrefoil post rather than a plain disc, so it looks as considered from behind as it does from the front.
Reviews
Overall rating: 5.0 / 5 from 41 reviews.
Always had sensitive piercing they would often get red and ooze , since switching to smoothie London I can keep my earrings in and cartridge piercings without any irritation! Plus the look good to !
Store owner replied: So happy to hear this! Thank you for leaving a review ❤️
I love my insertion tool it makes changing my earrings so much easier!
The only reason I placed an order for earrings was because of the insertion tools. Without this, I’d have never been able to start wearing earrings again as it’s impossible for me to change them. I urge anyone who’s been stuck with ugly piercing jewellery that they can’t change to order one!
Love the taper tool! You screw the earrings onto the top end, thread it through your ear, it makes fitting the earrings SO much easier! I tried to fit the earrings without this and it was far harder - worth buying for sure!
Great tool, has made changing my piercings much easier, especially helix. I also use it on my 4th lobe, really pleased with it
I love this! Makes applying labrets so easy. Makes me want to buy more earrings!
Great little tool for my ears no more struggling
I love this tool its the only was I can get my flatback earrings in. Before it arrived I removed them and was stick in hoops until it arrived. Would definitely recommend this for anyone wanting to wear flatbacks.
Excellent! I love this product!
Brilliant little tool, makes changing jewellery so quick and easy!
This is really helpful for inserting flatbacks, not painful and really makes the process easier
Makes it soo much easier to switch out earrings and put new ones in.
Great tool, makes it soo much easier to insert a flat back.After all the struggle of Standing in front the mirror trying to get the earring in so glad I found this.
Excellent and so easy to change your own ear design with this clever piece of kit
Love the Taper tool, so easy to use and such a good idea
Really useful tool, it makes changing my forward helix and tragus jewellery so much easier!
Really helpful when inserting new flat backs, excellent quality and value too.
Made putting in the flat backs sooo much easier!
Has made changing my flat backs so much easier, no more fiddling around trying to find my piercing hole
Excellent tool to help with the fiddly process of changing out cartlidge piercings
This has truly changed the game!! Love love love! Everyone with flat back earrings should own one of these.
Love that it comes free with the order! So useful for the flatback earrings
I bought this to help my change my helix and flat piercings for the first time. Never attempted it before but with this tool it was great! I little fiddly to start but once I’d worked out positioning and angle, it was so easy to insert and fit the flat backs in place. Absolutely delighted with this purchase, which I also bought the front attachment tool to help fit internally threaded earrings.
This was amazing. A must have for putting the earrings in.
A game changer when fitting flat backs
Very helpful and easy to use.
Very good tool made things so much easier
A
Very quick postage, amazing pieces of jewellery
Useful and well made
Helped insert earrings with ease
Really fast delivery and quality! Will be buying again
very handy tool
Another really handy little tool to have. I wish I'd have had this one sooner too.
So easy to use, super helpful when trying to put flatbacks in
it was a perfect addition to my collection
Brilliant
Great little tool. Made it so much easier to insert my earrings.
Very very good jewellery which is made from good materials that won’t stain your ears
Perfect helper tool.
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