Bio Ionic Onepass Straightening Iron Reviews

The word straightener and flat iron can be used interchangeably, but not all straightener is a flat iron.  Straightener is used to straighten the hair: hot combs, blow dryer, flat iron and straightening brushes are in this category.

The flat iron has two plates for straightening the hair, a flat iron will always work as a straightener, but not all Straightener are flat irons.

Straighteners work more like a blow dryer. They press your hair gently when straightening the hair without damaging it. When comparing the two, a straightener is still better to straighten the hair because it doesn’t apply heat to hair directly. 

The straightener heats up quickly, and it takes about 15 minutes to style your hair using the straightener. It works well on all types of hair: tight curls, coarse, unruly, and thick. Most modern straighteners are designed to shut off automatically if not used within a specified period.

Straightening brushes are healthier to use because they contain negative ions, which are suitable for damaged hair. It improves blood circulation in the scalp and enhances hair growth.

Bio Ionic Onepass Straightening Iron Review

BIO IONIC Onepass Straightening Iron, 1 Inch, White

Bio Ionic Onepass Nano-Ceramic Straightening Iron straightener is called Onepass for one sole reason; it saves time. It can straighten your hair in just one pass. It was made for speed with a sleek exterior, very easy to handle, and offers the best kind of care for our hair.  

It has silicone on the plates, which allows it to go smoothly through your hair without catching as most straighteners do. It heats up in a pretty impressive time. The plates have mineral covering as well as ionic and infrared functions; it keeps your hair smooth and shiny.

The negative ion helps to combat frizz and moisture trap in your hair. It comes in two sizes, 1 inch and 1.5 inches. The latter is suitable for long hair, while the former is standard size. Your choice of either is based on preference.

Bio Ionic straightening iron has many heat levels, with the highest being 400 degrees. It goes to the level without taking the time. Another advantage of this product is that it is compact enough to be used for curling, straightening, and adding volume to hair.

The silicon covering gets in order when being used for straightening. It is excellent for almost every kind of hair. It has strip technology that provides 3X smoother hair. Far Infrared Technology that allows styling without hair damage and BioCeramic heaters to maintain constant heat.


  • Amazing speed features: The product has impressive speed features not found in other types of products. You spend less time styling your hair. It straight the hair in just one pass and leave each section of the hair straightener. It gets the hair done in 15 minutes, and those with beautiful or shorter hair need only 10 minutes. It is a big time saver.
  • Silicone and Ceramic for Silky and Shiny Straightening: Bio Ionic hair straightener comes with solid ceramic pates with silicone for safer styling and smoothing the hair. It has negative ion technology to keep the moisture in hair for long-lasting smoothness. With silicone strips from Solid ceramic plates, it heats up quickly, hold the heat and distribute it evenly through the hair to prevent heat damage.
  • Negative Ion to remove frizz: Negative ion has a small oxygen atom that is charged with extra electron to neutralize the positive ions in hair; this removes frizz from your hair for a longer time. It is coated with minerals to boost ionic straightening for effective styling.
  • Versatile: When it comes to styling and hair treatment in general. Bio Ionic Straightener can do almost everything. Super effective for curling short hair, straighten curl, flick, and wavy hair with an amazing professional result.
  • Long-Lasting: Bio Ionic flat iron is built to last. It comes with 60 months warranty. It is friendly and easy to use. Even if any problem arises. The company has service centers in every part of the world.

Pros & Cons of Bio Ionic Onepass Straightening Iron


  • Multi-level heat controllers prevent hair damage
  • Silicone speed strips for increased shine and faster straightening
  • Cushioned plates because of the presence of Nan-ionic minerals
  • Comes with 10ft swivel cord
  • Heat quickly with Bio Ceramic 5 seconds heaters
  • Far infrared technology and High Level of negative iron for silky and smooth hair
  • Third silicon strips for 3X smoother hair. 
  • Instant heat recovery and Instant heat for up to 400F


  • The product has amazing features you will need to spend some cash to get it. 

How to use Bio ionic one pass hair straightener

STEP one

At first, make a section of your locks. Then use a clip to make separate sections or layers. Then start from the bottom layer to the top layer. It will lead toward a smooth finish. When you finish one layer, then put this aside and keep this section on your shoulder so that you can make the other section iron in a well mannered.

STEP two 

At first plugin, then switch on the device and pick up the expected setting. Adjustment of setting temperature is up to you. If you have curly or thick hair, you can increase the temperature gradually. Then bring the flat iron close to your scalp and move the Bio Ionic OnePass Straightening Iron smoothly on the root of your hair. The bring the flat iron down to your hair.


Never keep the flat iron on your hair for a long time this will damage your hair. Use good-toothed combat the time of rolling each portion. It will help your hair to be ironed and does the work bitterly.

Benefits of the one pass flat iron bio ionic technology 

The bio ionic one pass 1.5 inches has exact temperature controlling system. It receives heat very quickly. The iron leaves no damage to your hair as it needs less heat.


Moreover, moisture is regained. Its silicone strips permit the users to pass through the hair without pulling or snagging.

This is very popular and trusted models of hair straightener of the USA market.

The fact is that the Bio ionic 1 pass flat iron reviews remain in the highest position of the Amazon.com. Almost 80% of users like to give 5 stars out of 5.

You will get lots of comments on online from the users. They said that the bio ionic 1 pass flat iron 1.5 inch is very simple to use.

Temperature setting is far from problems. It gives the smoothest, silkiest and longest lasting hair for the users.

Are you moving here and there to get a bio one pass flat iron, and then you are just at the right place. We have no rentals, overheads, and middlemen of hair salons or rental stores.

Online stores may retail flat irons such as bio ionic one pass 1 and a half inch for up to fifty percent less than in-store prices. To secure for your irons, click through now.

The company is always ready to give support to the customers. Bio ionic one pass 1 inch and 1.5 inch flat irons come with 5 years or 60 months limited warranty. So you can use the iron without any tension keeping in your mind.

One pass flat iron Bio Ionic demo

Bio Ionic Onepass Straightening Iron (FAQs)

What does the Ionic in Bio Ionic Onepass Straightener mean?

Ionic means that the straightener emits negative irons. Hair is positively charged due to the presence of H20+ (water). So, the negative ion provides a smoother, shinier, and frizz-free hair.

Can I color my hair after styling my hair with Bio Ionic Onepass Straightener?

We would advise you to wait for at least 14 days before you do that. The presence of residual alkali in hair will affect your results.

How long should I wait to wash my hair after using this straightener? 

Wait for three days at the minimum. 

Do I need to blow-dry my hair after styling?

This depends on the style and texture of your hair. Some hair will work great with just shampoo. Others may need Bio Ionic Ion-Conditioning Dryer and Ion-smoothing Brushes to have fantastic style.

How long does the straightening effect of Bio Ionic Onepass Straightener last?

It can last for up to 6 months; after this period, a retouch can be needed. 

Final Thoughts

Bio Ionic hair straightener has features most other straighteners don't have. It can straighten the hair in just one pass, this alone has given it an edge over others. Its plates are covered with ionic and infrared functions to keep your hair shiny and smooth.

When using Bio Ionic Onepass straightener, you need not worry about hair damage. It has Far Infrared Technology that prevents hair damage and uses BioCeramic heaters to maintain constant heat.