---
product_id: 64980447
title: "Garnier Hair Color Olia Ammonia-Free Brilliant Color Oil-Rich Permanent Hair Dye, 4.0 Dark Brown, 2 Count (Packaging May Vary)"
brand: "garnier"
price: "€ 28.95"
currency: EUR
in_stock: true
reviews_count: 13
category: "Garnier"
url: https://www.desertcart.ie/products/64980447-garnier-hair-color-olia-ammonia-free-brilliant-color-oil-rich
store_origin: IE
region: Ireland
---

# Ammonia & cruelty-free vegan 100% gray coverage 60% oil-powered formula Garnier Hair Color Olia Ammonia-Free Brilliant Color Oil-Rich Permanent Hair Dye, 4.0 Dark Brown, 2 Count (Packaging May Vary)

**Brand:** garnier
**Price:** € 28.95
**Availability:** ✅ In Stock

## Summary

> 🎨 Oil-powered color that cares — shine bright, stand out.

## Quick Answers

- **What is this?** Garnier Hair Color Olia Ammonia-Free Brilliant Color Oil-Rich Permanent Hair Dye, 4.0 Dark Brown, 2 Count (Packaging May Vary) by garnier
- **How much does it cost?** € 28.95 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/64980447-garnier-hair-color-olia-ammonia-free-brilliant-color-oil-rich)

## Best For

- garnier enthusiasts

## Why This Product

- Trusted garnier brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Silky, Hydrated Hair:** Leaves hair up to 3x shinier and visibly softer, reversing dullness without weighing hair down.
- • **Effortless Application:** Non-drip formula with included gloves and easy-to-follow instructions for salon-quality results at home.
- • **Flawless Gray Coverage:** Achieve 100% gray coverage with rich, dark brown tones that look natural and radiant.
- • **Gentle & Clean Formula:** Ammonia-free, silicone-free, paraben-free, and vegan for a healthier, non-irritating coloring experience.
- • **Oil-Powered Brilliance:** 60% natural flower oils deeply infuse color for vivid, long-lasting results without damage.

## Overview

Garnier Olia 4.0 Dark Brown is a permanent hair dye powered by a 60% oil blend, delivering vivid, long-lasting color with 100% gray coverage. Its ammonia-free, vegan formula nourishes hair, leaving it up to 3x shinier and hydrated. Designed for all hair textures, this non-drip dye offers a gentle, pleasant application experience with salon-quality results.

## Description

Garnier Olia is unlike any other traditional, permanent hair color. Powered by a 60% oil blend formula with natural flower oils, Olia propels colorants deep into the hair, giving you vivid color results and 100% gray coverage. The oils help to reverse roughness and dullness without hair feeling weighed down. The non-drip formula has no ammonia, so it smells great as you apply. The end result? More brilliant, long-lasting color and hair that is hydrated, silky, looks full and up to 3x shinier than uncolored, unwashed hair. What's in the hair dye kit? A developer applicator, a colorant tube, after color conditioner, as well as a set of gloves and the instruction sheet. Packaging May Vary

Review: Man Approved - Man-Approved! ​As a guy who colors his hair, Garnier Olia is the best product out there, hands down. My main issue with other dyes was that stinging, brutal ammonia smell—this one is ammonia-free and has a subtle, clean scent that makes the whole process tolerable. ​The oil-powered formula is great; it doesn't leave my short hair feeling dried out or brittle. The color is rich, lasts well, and the application is straightforward and non-messy. I get excellent gray coverage without the typical harshness. ​If you’re a man looking for a high-quality, gentle dye that just works and doesn't smell like a chemistry lab, Olia is the answer. Highly recommend!
Review: Left my hair soft and beautifully red. - I was getting skeptical when I saw the dye looking watery and orange looking. But it left my hair red like it was supposed to! Left it soft and smelling amazing. Hopefully it lasts long but overall loved it 🥰

## Features

- Olia 4.0 Dark Brown Permanent Hair Dye: This dark brown hair dye has natural reflects and provides 100% gray coverage to achieve vivid, radiant long lasting color for all hair textures
- Oil Powered Olia Hair Color: Powered by 60% oils and no Ammonia. With sunflower and camellia oil, it propels color deep inside the hair for long lasting hair color. Best for anyone with natural hair between light brown and black
- Vegan Hair Dye Formula: Ammonia, Silicone, Paraben, Phthalates & Cruelty Free. Vegan formula - no animal derived ingredients. Delivers brilliant color and visibly healthier hair that’s hydrated, silky, and up to 3x shinier (than uncolored, unwashed hair)
- Instructions: Put on the included gloves. Remove the Developer Bottle cap, mix-in the Colorant, and shake vigorously. Apply to roots, then, apply through lengths and ends for even coverage. Wait 30 minutes, then rinse & condition
- Inspired By Nature: Garnier carries an array of products for your hair and skin care needs, from shampoos, color care and styling products to formulas that cleanse, moisturize and repair skin

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN  | B07BVVPMVX |
| Best Sellers Rank | #1,186 in Beauty & Personal Care ( See Top 100 in Beauty & Personal Care ) #16 in Hair Color |
| Customer Reviews | 4.4 4.4 out of 5 stars (18,659) |
| Is Discontinued By Manufacturer  | No |
| Item model number  | 603084554775 |
| Manufacturer  | Garnier |
| Product Dimensions  | 2.75 x 7 x 6.5 inches; 15.31 ounces |
| UPC  | 603084554775 |

## Product Details

- **Brand:** Garnier
- **Color:** 4.0 Dark Brown
- **Item Form:** Oil
- **Package Information:** Tube
- **Product Benefits:** Radiant

## Images

![Garnier Hair Color Olia Ammonia-Free Brilliant Color Oil-Rich Permanent Hair Dye, 4.0 Dark Brown, 2 Count (Packaging May Vary) - Image 1](https://m.media-amazon.com/images/I/91jygP1c6+L.jpg)

## Questions & Answers

**Q: Is Olia less effective than a hair color with ammonia?**
A: No, even though Olia does not contain ammonia it's just as effective as a classic hair color with ammonia

**Q: How effective is Olia on grey hair?**
A: Olia is a permanent hair color and delivers on up to 100% grey coverage for up to 6 weeks.

**Q: Many brands have oils nowadays… How is Olia different?**
A: When a hair color contains oil, it is usually in the conditioner. In Olia, the oil is concentrated in the colorant itself to boost the coloring process by propelling color deep into the hair fiber.

**Q: What if only my roots need coloring?**
A: You may need to vary the development time throughout your hair. Follow the instruction leaflet for timing and application techniques. Use our step by tep tool or watch the how-to video.

**Q: How much product should I use to get full hair coloration?**
A: Like all hair coloring, it depends on your hair length and thickness. For medium to long hair use 2 boxes. For long hair or hair that is very thick, you may need to use more than 2 boxes.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Man Approved
*by D***S on October 4, 2025*

Man-Approved! ​As a guy who colors his hair, Garnier Olia is the best product out there, hands down. My main issue with other dyes was that stinging, brutal ammonia smell—this one is ammonia-free and has a subtle, clean scent that makes the whole process tolerable. ​The oil-powered formula is great; it doesn't leave my short hair feeling dried out or brittle. The color is rich, lasts well, and the application is straightforward and non-messy. I get excellent gray coverage without the typical harshness. ​If you’re a man looking for a high-quality, gentle dye that just works and doesn't smell like a chemistry lab, Olia is the answer. Highly recommend!

### ⭐⭐⭐⭐⭐ Left my hair soft and beautifully red.
*by M***S on December 24, 2025*

I was getting skeptical when I saw the dye looking watery and orange looking. But it left my hair red like it was supposed to! Left it soft and smelling amazing. Hopefully it lasts long but overall loved it 🥰

### ⭐⭐⭐⭐⭐ Perfect and vibrant
*by L***N on September 16, 2025*

Ordered Black 1.0, and it came out just how I wanted. The perfect black, my hair feels healthy still and the shine is beautiful. The box does say that it’s not recommended for highlighted hair, but my hair was lightly highlighted and it covered it perfectly. Also had quite a few grays coming in and I don’t see them now. Just a tip if you’re not familiar with dying your hair yourself, you’re going to want to rinse your hair more than twice in the shower. If it runs clear and you think you’re done, think again. Also another tip: the first time styling your hair, the black will run off on your hands, and possibly your bedsheets or pillowcase. It’s not a defect in the hair dye itself, it’s just a result of dying in your hair black with any brand of hair dye. But I do love it!! I definitely recommend. **UPDATE** Just wanted to update that black has not faded yet, which I have experienced pretty quickly in the past with other dyes. I’ve washed my hair about five times already with color safe shampoo & conditioner, and the color is still vibrant! Updated photo is the one with straight hair.

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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-02-22*