Onei MK-I Halo Ceramic Flat Iron Review


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Last Updated on February 8, 2021

You don’t need to visit a salon to get the perfect do. With today’s flat irons you can achieve that sleek look from the comfort of your home. With innovations in the beauty industry, it’s become more affordable and efficient to get your hair done on the go by investing in the right tools.

The Onei MK-I Halo Ceramic Flat Iron is one of those tools you need to have in your home. It’s small but does a major job. It will help you create gorgeous hairstyles in the shortest time.

A quality flat iron can turn coarse thick hair into a sleek, smooth style. This is why having a quality flat iron like MK I can make all the difference for your styling needs. Use it to create loose waves or tight curls.


This product has infrared and negative ion energy that is most effective in smoothing even your hair is difficult with ease. Multi-coated ceramic double floating plates move easily over hair without pulling or discovering, making a smooth and leaned look.

Onei MK-I Halo 1-inch ceramic plate flat iron heat up quickly and cool down as quick also. Digitally displayed temperatures with adjustable between 140°F and 450°F, which cover all hair types will get bone straight without burning, including Brazilian keratin treatments.

This flat iron has a 30-minute auto shut-off. A slim, light body and elliptical barrel are ideal for creating all types hairstyle like flips, curls, and waves, leaving a smooth and glossy finish.

Onei MK-I Halo Ceramic Flat Iron Best For You, But Why?

Smooth Ceramic Plates

The MK-I Halo has ceramic plates which have been coated different times that are smooth and remain as such. This iron warms up to 450°F; in any case, it additionally can go low at 140°F for the hair types that require a delicate rectify.

This iron makes a colossal effect when you moving hair through the hair straightener, along these lines, you won’t be as well on the way to get chipping or snags with a multi-coat application.

The hair straightener has two floating plates that ensure you get the right grab on hair without the gaps which can be caused by fixed plates. Which means you receive a more consistent straightening as the flat iron can hold hair well enough to get heat through it.

The ceramic ions apply with negative ions to confirm hair becomes flat-out and remains that way. The negative ions mean the user can get away with a lesser heat than the traditional ways of styling.

Fast Straightening

​​The iron is designed to straighten hair in a single pass, and which appears to be a claim that holds true. Even for unruly frizzing hair, when you adjust the temp up, all you need is a few passes and your hair gets done in no time saving you valuable minutes in the morning.

The fewer passes mean your hair will be spared from heat damage from excessive ironing. When using a flat iron incorporate heat protector in your regime to reduce breakage and split ends.

Heats Up Quickly

This flat iron becomes hot very quickly to get the job done as fast. You need to be careful and start with the lowest setting and adjust up lest you end up burning your mane.

The high temps are meant to tackle coarse thick hair. You only need to pass your hair once to get it hair straight. The same way it heats up, it cools as fast so you can pack it when traveling or storing.

Different Temperature Settings With Display

The flat iron has various temperatures setting from 140 to 450 degrees for the user to adjust according to their needs. The amount of heat set is displayed on a screen on the iron.

This makes it easy to customize to one’s preferences. It’s important to note that the 450 degree is really hot and highly recommended for use by professionals.

Affordable And Durable

The Onei MK-I is reasonably priced retailing at 40 bucks for a tools that performs so well which is great bargain. It’s also durable and will serve you for a long time. It comes with a 4 year warranty

Onei MK-I Halo flat iron is one of the best flat iron for African American Hair.

Features of the Onei MK-I Halo

  • 1-inch ceramic dual floating plates.
  • Super fast heating and cool down with adjustable temperature up to 450°F.
  • 30-minute auto shut-off feature.
  • Lightweight body and elliptical barrel for creating a range of styles.


  • Doesn’t snag or pull on hair due to the ceramic plates.
  • Works on keratin-treated hair.
  • It heats up really quickly, and it’s easy to maneuver.
  • It has a long swivel cord.
  • The display tells the exact temperature one is using.
  • Automatic shutoff safety option.


  • It’s a bit too heavy in hand.
  • It gets so much hotter faster.
  • The two plates don’t open very wide, making it difficult to do big portions of hair.

FAQ’s & Answer

Is it auto shut off?

Yes it is after 30 minutes of being idle.

How heavy is it?

.89 pounds.

Does it run on universal voltage? Can it work in other countries?

Unfortunately it’s not universal. It’s not dual voltage, so need to use converter to use other countries.

At The End Of The Day

When you invest in the right tools, you end up making a huge saving on salon visits. The MK I flat iron is not a cheap flat iron but we feel it worth its price considering the value you are getting for your money.

It can be used on keratin treated hair which an added bonus. It is not a cheap Flat Iron by any means, but I think it’s really worth of the price tag. The design is sleek and stylish though a lit chunky for comfort.

The display makes the whole process easier since you have finish insight into temperature settings consistently. The auto shut feature is good for safety when you have little ones in the house. This is a good investment piece that performs well and keeps on giving.

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