Choosing between henna and conventional dye depends on the result you want, your hair color, the amount of gray hair, and the type of coloring you prefer. While henna is a plant-based ingredient used to color hair, conventional dyes may use different coloring systems, including those that use chemical processes to modify hair pigment.

In our guide, you will learn the main differences between the two alternatives, their advantages, their limitations, and the aspects you should consider before choosing a hair dye.

What is hair henna?

Henna is a plant-based dye obtained from the Lawsonia inermis plant. It is used to add warm tones to hair and is one of the best-known plant-based ingredients in natural coloring.

However, it is important to distinguish between pure henna and products formulated from it. Dyes may combine different ingredients to achieve a wider range of shades. Therefore, it is advisable to check the composition and directions of each product rather than assuming that all dyes marketed as henna have the same formula.

At Fatima Perú, you will find a variety of natural hair dyes in shades such as Gold, Amber, Mahogany, Almond, Earth, Brown, Walnut, Ebony, and Onyx.

What is conventional dye?

Conventional dyes include different types of hair coloring. Some are temporary or semi-permanent, while others are permanent and use ingredients that allow the color to develop within the hair fiber.

Permanent dyes usually use coloring substances and an oxidizing agent, such as hydrogen peroxide. Some formulations also contain ammonia or alternative ingredients that serve similar functions in the coloring process.

These technologies allow for different results, from shade changes to lightening and gray coverage, depending on the formula used.

Therefore, not all conventional dyes work in the same way or offer the same results.

Henna vs. conventional dye: main differences

Important: this comparison describes general characteristics. The actual result depends on the specific formula, the starting color, and the condition of the hair.

Advantages of choosing a natural dye with henna

1. A plant-based coloring alternative

If you are looking for a coloring option that incorporates plant-based ingredients, henna-based products can be an interesting alternative. However, the plant-based origin of an ingredient does not guarantee on its own that a complete formula is hypoallergenic or suitable for everyone.

2. A variety of shades for different preferences

Choosing the shade is essential to achieve a result that meets your expectations. Warm, coppery, brown, and dark shades can produce different looks depending on the hair base.

In our collection of natural dyes, you can explore alternatives such as:

• Natural Gold Dye: for those looking for a golden shade.

• Natural Amber Dye: an alternative within the red shades.

• Natural Mahogany Dye: for those who prefer mahogany shades.

• Natural Almond Dye: an option to explore almond shades.

• Natural Earth Dye: for those looking for this shade.

• Natural Brown Dye: a brown shade alternative.

• Natural Walnut Dye: for those who prefer a walnut shade.

• Natural Ebony Dye: a dark shade alternative.

• Natural Onyx Dye: another option within the dark shades.

Keep in mind that the shade name does not guarantee that the result will be identical on all hair.

3. A coloring routine that requires following the product directions

Plant-based dyes may have different preparation and application procedures. Following the amount of water, the mixture resting time, and the application time indicated for each shade helps follow the procedure intended by the manufacturer.

It is not advisable to apply the same waiting time to all shades, as the instructions may vary from one product to another.

4. An option for those who wish to explore plant-based coloring

Henna and other plant-based ingredients are part of a long tradition of hair coloring. To choose a current product, it is important to check its complete formula, the instructions, and the manufacturer's recommendations.

Advantages of conventional dyes

Conventional dyes can also offer important advantages, depending on the result you are looking for.

Greater ability to lighten the hair. Some permanent dyes can modify the natural pigment and achieve lighter results than those allowed by pure henna.

Wide variety of technologies. There are temporary, semi-permanent, and permanent products, with different durations and coloring mechanisms.

Specific options for gray coverage. Some formulas are designed to provide a certain coverage of gray hair. The result depends on the product and the characteristics of the hair.

Results tailored to different objectives. Conventional dyes may be appropriate for those who want more pronounced color changes, lightening, or specific results that a plant-based coloring cannot necessarily provide.

However, they also require checking the ingredients and following the precautions for use. Some components, such as paraphenylenediamine (PPD), can cause allergic reactions in sensitive people.

Does henna cover gray hair?

Coloring with henna can add pigment to gray hair, but the result depends on the product, the shade, and the characteristics of the hair. Not all shades produce the same effect, nor can identical coverage be guaranteed for everyone.

If you are looking to cover gray hair, consider these aspects:

• The amount of gray hair: it influences the overall appearance of the result.

• The base color: the final shade depends on the contrast between the gray hair and the rest of the hair.

• The chosen shade: each shade can produce a different result.

• The application technique: working in thin sections and distributing the product well helps avoid areas with irregular application.

• The specific instructions: the preparation and application time may vary depending on the shade.

In Fatima products, some shades require a two-step procedure. Before starting, check the directions corresponding to the shade you have chosen.

If your priority is to cover gray hair, you can also consult our collection of natural hair dyes and compare the available shades.

Does henna damage hair?

It is not correct to state that any product with henna is completely harmless or that all conventional dyes damage hair equally. The effect depends on the formula, use, and the condition of the hair.

An important consideration is that pure henna does not lighten the natural pigment. In contrast, certain permanent conventional dyes may use oxidative processes to change the color, and some lightening procedures can affect the hair fiber.

It is also important to remember that a plant-based product can cause sensitivity in certain people. Therefore, it is advisable to check the list of ingredients and follow the safety instructions.

If you have chemically treated, bleached, or previously colored hair, consult the manufacturer or a professional before combining products. This is especially relevant when you do not know the exact composition of a previous coloring.

Can henna be used after conventional dye?

It depends on the product composition and previous treatments. It is not advisable to assume that any conventional dye can be combined without issues with any henna-based product.

Before making the change:

1. Check the ingredients of the product you used previously.

2. Consult the instructions of the new dye.

3. If the hair has been bleached or subjected to other chemical treatments, seek professional guidance.

4. Perform a test on a small, inconspicuous strand to observe how the hair responds and what color is obtained.

The strand test allows you to evaluate the color result, but it does not replace the skin sensitivity test indicated by the manufacturer.

Precautions before using henna or conventional dye

Regardless of the type of coloring you choose, check the following points:

• Read the list of ingredients and the complete instructions.

• Respect the times indicated for each product.

• Perform the skin sensitivity test following the manufacturer's instructions, even if you have used the product before.

• Do not use a product if you have had a reaction to any of its ingredients.

• Avoid assuming that all products marketed as henna contain only plant-based ingredients.

You should also be careful with products known as black henna. Some may contain PPD or other dyes that do not correspond to a pure henna formulation. The U.S. Food and Drug Administration (FDA) warns about the reactions that certain products marketed as black henna can cause.

If an adverse reaction appears, discontinue use and seek medical guidance.

So, what is best to choose: henna or conventional dye?

The choice depends on your coloring objectives.

If you are looking to explore an alternative based on plant-based ingredients, coloring with henna can be an option to consider. If you need to lighten the hair, make a pronounced color change, or achieve a specific technical result, some conventional dyes may better suit your needs.

Before deciding, compare the composition, shade, application procedure, and precautions of each product. Do not choose solely based on the "natural," "organic," or "conventional" label: check the formula and specific directions.

Discover Fatima natural dyes

At Fatima, you will find nine shades of natural dyes to explore different coloring possibilities with henna. Check the available options and choose the shade that best suits the result you are looking for.

Visit our collection of natural hair dyes to learn about the Gold, Amber, Mahogany, Almond, Earth, Brown, Walnut, Ebony, and Onyx shades.

If you are going to prepare and apply your dye at home, you can also complement your purchase with the dyeing brush or consult the gift box.

The best choice is the one that suits your hair, your color expectations, and the actual characteristics of the formula. Always check the instructions of each product before using it.