Garnier Olia Permanent Hair Color — 3.0 Darkest Brown, Ammonia-Free Oil-Powered Formula, 2-Count

Garnier Olia 3.0 Darkest Brown is an ammonia-free permanent hair color that uses a 60% oil blend to deliver rich, long-lasting color, 100% gray coverage, and up to three times shinier-looking hair.

Olia swaps harsh ammonia for a flower-oil–forward formula that aims to tint and condition simultaneously. The kit pairs developer and colorant with an after-color conditioner and gloves so you can color at home with less odor and a velvety cream that resists dripping. This vegan, Leaping Bunny–certified option is formulated without silicones, parabens, or phthalates and is built to leave hair hydrated and visibly glossy.

How does Olia achieve vivid color without ammonia?

Instead of relying on ammonia to open the hair cuticle, Olia’s technology uses a 60% blend of natural oils—primarily sunflower and camellia—to help carry color molecules deeper into the fiber. The oil-rich emulsion reduces harsh fumes while creating an even, non-drip cream that spreads smoothly for consistent coverage.

• 60% oil blend that helps transport colorants into each strand
• Non-drip, velvety cream for easier, more accurate application
• Milder scent compared with traditional ammonia formulas
• Includes developer, colorant tube, gloves, and after-color conditioner

Will this cover gray hair and how long does the color last?

Garnier Olia is formulated to provide full gray coverage with permanent color results that stay vibrant between touch-ups. While individual longevity varies with hair type and care routine, the formula is engineered to deposit strong pigments that resist early fading.

• Designed for 100% gray coverage on treated areas
• Permanent dye intended to maintain color until hair grows out
• Best results when paired with color-protecting shampoos and conditioners
• One box typically covers short-to-medium hair; longer hair may need multiple boxes

How do I use this kit safely and get even results at home?

The kit contains step-by-step instructions; follow them exactly for safe, effective application. Apply to dry, unwashed hair, start with roots for regrowth or work root-to-ends for a full change, and allow the recommended processing time before rinsing and conditioning.

• Mix colorant into the developer bottle and shake until blended
• Wear gloves and apply evenly—cover roots first for touch-ups
• Process for the instructed time, rinse until water runs clear, then use the included conditioner
• Check strand tests if you’re shifting several shades darker or lighter

Does the formula help hair look healthier after coloring?

Olia’s high-oil formulation helps the hair surface appear smoother and reflect more light, which contributes to a shinier finish. The after-color conditioner and oil-enriched dye work together to minimize dryness often associated with permanent color.

• Oil-powered mix leaves hair feeling hydrated and silky
• Claims up to 3x shinier appearance versus uncolored, unwashed hair
• Free from silicones and parabens to reduce buildup
• Vegan and cruelty-free certification for ethical shoppers

Who is this for? Garnier Olia 3.0 Darkest Brown is aimed at people who want permanent, salon-quality color at home but prefer gentler chemistry—those with visible grays seeking full coverage, anyone wanting richer, shinier brown tones, and shoppers who prioritize cruelty-free, vegan hair care. Choose one box for short-medium hair and two or more boxes for longer or thicker hair when you need full-head coverage.

Ingredients

DEVELOPER: 1071397 AQUA/WATER/EAU, PARAFFINUM LIQUIDUM/MINERAL OIL/HUILE MINERALE, CETEARYL ALCOHOL, HYDROGEN PEROXIDE, STEARETH-20, PEG-4 RAPESEEDAMIDE, GLYCERIN, POLYQUATERNIUM-6, HEXADIMETHRINE CHLORIDE, TOCOPHEROL, PENTASODIUM PENTETATE, SODIUM STANNATE, TETRASODIUM PYROPHOSPHATE, PHOSPHORIC ACID. F.I.L.# D42424/9 AFTER COLOR CONDITIONER: 1119728 A AQUA/WATER/EAU, CETEARYL ALCOHOL, BEHENTRIMONIUM CHLORIDE, CETYL ESTERS, TOCOPHEROL, TRIDECETH-6, CHLORHEXIDINE DIGLUCONATE, HELIANTHUS ANNUUS SEED OIL/SUNFLOWER SEED OIL, CAMELLIA OLEIFERA SEED OIL, AMODIMETHICONE, ISOPROPYL ALCOHOL, PARFUM/FRAGRANCE, CITRIC ACID, CETRIMONIUM CHLORIDE. F.I.L.# D180530/1 US PATENTS: 7,223,385; 7,485,289 COLORANT: 1183545 C PARAFFINUM LIQUIDUM/MINERAL OIL/HUILE MINERALE, AQUA/WATER/EAU, ETHANOLAMINE, DECYL GLUCOSIDE, SODIUM LAURYL SULFATE, TOLUENE-2,5-DIAMINE, PEG-40 HYDROGENATED CASTOR OIL, PARFUM/FRAGRANCE, DISODIUM COCOAMPHODIACETATE, RESORCINOL, HYDROXYPROPYL GUAR, M-AMINOPHENOL, SODIUM METABISULFITE, EDTA, ASCORBIC ACID, HELIANTHUS ANNUUS SEED OIL/SUNFLOWER SEED OIL, LIMNANTHES ALBA SEED OIL/MEADOWFOAM SEED OIL, PASSIFLORA INCARNATA/PASSIFLORA INCARNATA SEED OIL, CAMELLIA OLEIFERA SEED OIL, HYDROXYBENZOMORPHOLINE, 2,4-DIAMINOPHENOXYETHANOL HCL, THIOGLYCERIN, TOCOPHEROL. F.I.L.# D181040/1 US PATENTS: 7,060,107; 7,988,737; 7,988,738; 8,066,781; 8,114,170; 7,494,513 US PAT PENDING