How do I perform the allergy test correctly before using this permanent hair dye?

The allergy test is mandatory 48 hours before each use — apply a small amount behind the ear and watch for any reaction.

What result can I expect on my current hair color with the Eggplant 4.2 shade?

This deep aubergine tone is designed for dark bases — it adds a plum-burgundy reflect rather than dramatically lightening or covering gray completely.

How should I use the post-color fixing balm with keratin and vitamins for the best result?

Apply the balm after rinsing out the color, leave it on for a few minutes, then rinse — it helps smooth the cuticle and lock in shine.

Rubella fashion hair color eggplant 4.2 115ml

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The rice protein in its formula helps retain more color pigments in the hair, making the hair color more vibrant and shiny.

€3.50

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Kostivere 24 pcs

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SKU:: 3104601
EAN:: 3800038933335

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Eggplant

The resilient creamy hair color Rubella Fashion Color enhances the optical effect of hair color.

The rice protein in its formula helps retain more color pigments in the hair, making the hair color more vibrant and shiny. The fixing balm is enriched with a complex of vitamins and keratin, which provide deep and long-lasting nourishment. Keratin is one of the key building components in hair structure, helping to strengthen and straighten the hair. The result is lively hair with intense color.

How to use?

Mix the dye with the developer and apply it to the hair. Leave it on for 30 minutes, then rinse thoroughly with warm water. Finish by applying the balm.

Important: Before use, perform an allergy/sensitivity test!

What it is

Rubella Beauty "RUBELLA" Fashion Hair Color Eggplant 4.2 115 ml is a permanent cream hair dye chosen by people who want a deep aubergine-toned shade with visible shine rather than a flat, matte result. Cream colorants are popular because they spread more evenly through the hair, which helps create a richer-looking finish from roots to lengths.

Key components

Rice protein — proteins can form a light film on the hair surface and help the strand hold onto color pigments more effectively, which is why the shade can appear more vivid and reflective after coloring. Rice protein is often used in hair cosmetics for its smoothing effect, which can make the hair look glossier and less rough after the coloring process.
Keratin with vitamins — found in the post-color fixing balm. Keratin is a structural protein naturally present in hair, so in cosmetic formulas it is valued for helping the hair feel smoother, stronger and more aligned after chemical processing.

A balm like this is especially relevant after coloring, when the cuticle may feel more open and the lengths can seem drier. Used after rinsing, it helps the hair feel softer and look more polished, while the color appears more saturated.

When people choose it

This shade can suit those who enjoy expressive, fashion-inspired tones or want to refresh dark hair with a plum-burgundy nuance. It fits well into at-home coloring for people who want visible tone and shine in one step, followed by conditioning to improve the look and feel of the hair.

Important notes

As with any permanent hair dye, a cautious approach matters. Hair color can cause sensitivity reactions, even if you have colored your hair before.

Always carry out the recommended allergy test in advance.
Be extra careful if your scalp is irritated or very sensitive.
Be extra careful if your hair is heavily lightened or damaged.

Specifications

Brand	Rubella Beauty

Delivery - terms and prices

After placing an order, delivery is processed on business days. Package design and product images may differ. Delivery time depends on the selected method - on average up to 5 days.

Estonia

Pick-up at Vitateka store (T1, Peterburi tee 2)Free
Parcel locker Itella Smartpost2.28 €
Parcel locker Omniva3.05 €
Parcel locker DPD2.34 €

Free to a parcel locker for orders from 30 €

Packeta (selected countries)

Poland - home delivery (courier)5.00 € / 21 PLN
Slovakia - pick-up point (PUDO)3.80 €
Slovakia - courier5.87 €
Czech Republic - pick-up point (PUDO)3.93 €
Czech Republic - courier6.10 €
Hungary - pick-up point (PUDO)4.13 €
Romania - pick-up point (PUDO)3.61 €

Latvia

Parcel locker Itella Smartpost3.96 €
Parcel locker Omniva4.90 €
Parcel locker DPD4.13 €

Free to a parcel locker for orders from 35 €

Lithuania

Parcel locker Itella Smartpost3.96 €
Parcel locker Omniva4.95 €
Parcel locker DPD5.11 €

Free for orders from 40 €

Finland

Posti pick-up point6.90 €

Free for orders from 75 €

Other EU countries

International Omniva post - from 7 € (price depends on parcel weight). For other options (DPD, FedEx), standard rates and transit times apply.

Free delivery - on request

In addition to the thresholds listed above, we can consider free delivery options depending on the order amount and for deliveries to other countries. Contact us and we will suggest the best option.

Contact

Email: [email protected]
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Delivery time

On average - up to 5 business days (depends on the selected delivery method).

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Customer Questions

Every permanent hair color can trigger sensitivity, even if you have colored your hair before without issues. The manufacturer requires an allergy alert test 48 hours before each application. Mix a small amount of colorant and developer (in the same ratio as for full application) and apply a thin layer behind the ear or on the inner elbow using a cotton bud. Leave it uncovered for 48 hours without washing the area. If you notice any redness, itching, burning, swelling, or blistering — even mild — do not use the product. Wash the test area immediately and consult a pharmacist or doctor if symptoms persist. This test must be repeated before every coloring session because sensitivity can develop at any time.Practical tip: schedule the test when you can leave the area undisturbed for two full days — avoid swimming, heavy sweating, or applying other products to that spot. If you have a history of reactions to hair dyes, tattoos, or paraphenylenediamine (PPD), discuss with a dermatologist before proceeding.

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The shade number 4.2 indicates a level 4 (dark brown) base with a .2 (violet/cool) reflect. On natural dark brown to black hair (levels 2–4), you will see a rich aubergine sheen that catches the light — more of a tonal refresh than a dramatic color change. On medium brown hair (level 5), the plum-burgundy nuance will be more visible. On lighter or previously lightened hair (level 6+), the shade may appear significantly more intense, cooler, and potentially darker than expected because fashion tones deposit more pigment on porous hair.Gray coverage: permanent fashion shades like this are not formulated for full opaque gray coverage. On hair with a high percentage of white/gray strands, the result will be a translucent, highlighted effect rather than solid coverage. If gray coverage is your priority, a natural series shade (e.g., 4.0 or 5.0) would be more reliable, possibly mixed with a small amount of this fashion tone for reflect.Heavily lightened or damaged hair: the source notes extra caution. Porous hair grabs pigment faster and unevenly — consider a strand test first and possibly shorten processing time.

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The fixing balm included in the box is designed for immediate use after the color is rinsed out. Once you have washed the color from your hair until the water runs clear, squeeze out excess water and apply the balm evenly from roots to ends. The keratin (a structural hair protein) and vitamins in the formula work on the freshly processed hair while the cuticle is still slightly open — this helps the strands feel smoother, stronger, and more aligned, which translates to better light reflection and a more saturated color appearance.Leave the balm on for 3–5 minutes, then rinse thoroughly with cool or lukewarm water. Avoid hot water, which can re-open the cuticle and accelerate fading. For the first 48 hours after coloring, try not to wash your hair at all — this gives the pigment time to fully oxidize and stabilize inside the hair shaft.Ongoing care: use a sulfate-free shampoo and a conditioner for color-treated hair to preserve the aubergine reflect. The rice protein in the colorant itself forms a light film that helps pigments adhere; gentle cleansing protects that film. Limit heat styling and use a heat protectant when you do — high heat fades fashion tones faster than natural shades.

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Rubella fashion hair color eggplant 4.2 115ml

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