What Are Hair Building Fibers? How They Work, Tips, And Side Effects

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Hair building fibers are one of the best solutions for camouflaging hair loss. They come in powder and spray forms and are relatively inexpensive and easy to use. The hair fibers are made of keratin protein and stick to your hair, giving it a thicker and fuller appearance, hiding thinning spots effectively.

If you are dealing with hair loss and want to give it a try, scroll through this article to understand how hair building fibers work, ways to use them, and the side effects.

In This Article

What Are Hair Building Fibers?

Hair building fibers (or hair fibers) are camouflaging products made of keratin protein. They are available in either spray form or as a powder that you can spray or sprinkle on your scalp. These fibers contain static electricity charges and stick to your hair, giving it natural coverage and making it appear fuller and thick. These products are available in various shades to match your natural hair color.

The mechanism behind these fibers is pretty ingenious but simple. Let’s find out how they work.

How Do Hair Fibers Work?

The hair fibers are made of keratin extracted from wool, rice, rayon, or even human hair. Each fiber is positively charged, while natural human hair surface is negatively charged (1), (2). The fibers latch to the natural hair surface due to the opposing charges, covering the thinning spot and giving a fuller appearance.

The hair fibers can match with any hair type or texture and can be easily washed off.

They do not require binding glues and are cost-effective, easy to apply, and look natural. If you are wondering whether you can use hair fibers or not, find out in the next section.

Who Should Use Topical Hair Fibers?

You can use hair fibers if:

  • Your hair is thin and exposes your scalp.
  • You have flat hair.
  • You have thinning gray hair.
  • You want to add more body to your hair.
  • You want to cover the color difference between hair and the scalp.
  • You have mild or moderate hair loss.

A survey involving 349 people with hair loss found that 79% of them (approximately 283 people) use camouflaging agents to cover thinning spots, and 59% chose hair-building fibers (3).

Since the hair building fibers require negatively charged hair strands to adhere to, they cannot cover bald spots or patches. Here are some pointers to consider when applying these hair fibers.

Tips To Use Hair Fibers

  1. Ensure to pick a product that is an exact match of your natural hair color. If you have colored your hair, opt for hair fibers in the same shade. This ensures a natural appearance.
  1. Use the hair building fibers on dry hair as they cannot bind to wet hair. Clumped wet hair prevents even distribution. Avoid swimming with the product on your scalp to avoid washing it off.
  1. Do not overuse the hair fibers. Start with a little bit of product and build up gradually until you get the desired coverage.
  1. Do not comb after applying the hair fibers as that will remove the product from the hair. Style your hair first, and then apply.
  1. You may also use a fiber hold spray to secure the hair fibers in place for a longer time. These sprays do not affect the bonds between topical fibers and natural hair.
  1. Do not use heat styling tools after applying topical hair fibers.
  1. Use a hair fiber applicator for precise application. It spreads the hair fibers evenly for a more natural look.
  1. Do not apply the hair fibers on oily and conditioned hair. Oils and conditioners minimize the negative charge on the hair. As a result, the hair fibers cannot adhere to the strands properly.
  1. Avoid using a smoothing serum, mousse, or hair cream before applying hair fibers. The smoothing products reduce any interfiber friction and make it difficult for the hair fibers to attach to natural hair shafts.
  1. Use a fiber hair comb to adjust your hairstyle after applying the hair fibers. These combs are soft and will not remove the hair building fibers.

Hair building fibers contain colorants and other chemicals that may cause some side effects. Here are a few things you should be aware of.

Side Effects Of Hair Building Fibers

The hair building fibers may cause:

  • Allergic reactions
  • Skin irritation
  • Itchiness

Avoid products that may contain ingredients you are allergic to. If you are using the hair fibers for the first time, you should keep in mind that the process may be a bit messy and stain your clothes and bedding. Moreover, it may make you conscious about the final look of the hair fibers as they may get easily affected by sweat, moisture, and oil. This might make you wonder how long the hair fibers may last.

How Long Do Hair Fibers Last On The Hair?

Hair building fibers ideally stay on until you wash your hair. However, the staying ability is affected by factors like sweat, moisture, sebum, and rain. You may need to touch-up occasionally. However, several brands have products that are moisture and humidity-resistant. Such products may last for a day or two.

Final Thoughts

Hair building fibers can effectively conceal thinning hair, hair loss, and low hair volume. While they do get the job done, creating the appearance of voluminous hair, it is also essential to follow a proper hair care regimen to nourish and strengthen your hair. You may try home remedies to minimize hair thinning and control hair fall. Also, consult a doctor to determine the underlying reason for your hair loss.


Key Takeaways

  • Hair-building fibers are natural-looking concealing products made of keratin protein that adheres to the strands and make them look fuller and thicker.
  • They are available in powder or spray forms, are easy to use, and last until you wash your hair.
  • These products are perfect for hiding hair loss, thinning, and low hair volume.

Frequently Asked Questions

What does Finally Hair Fiber do?

Finally, Hair Fiber is a product of the Finally Hair Corporation and conceals hair thinning, hair loss, and graying.

Do hair fibers promote hair regrowth?

No, hair fibers do not promote hair regrowth. They camouflage thinning hair.

What are the best hair fibers?

Some of the popular hair fiber brands include Toppik Hair Building Fibers, Finally Fibers, Mirage Fibers, Kerasom Fibers, Supermillion Hair, X-Fusion, Caboki, Nanogen, and Organin.

Are hair fibers bad for your hair?

No, they are not bad. However, the chemicals and artificial colorants in them may cause allergic reactions.

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