![Garnier olia color permanent hair](/-/media/project/loreal/brand-sites/garnier/usa/us/products/hair-color/olia/new/brown/olia-4_0/garnier-hair-color-olia-dark-brown-40-603084293940-av1-png.png?w=70&rev=9fe2e5d3368a4b89a140d418052af8f4&hash=A9D82FDBC96CB1527200D18EE17AF89A 70w,/-/media/project/loreal/brand-sites/garnier/usa/us/products/hair-color/olia/new/brown/olia-4_0/garnier-hair-color-olia-dark-brown-40-603084293940-av1-png.png?w=80&rev=9fe2e5d3368a4b89a140d418052af8f4&hash=6450462EA6E308FC7DDB9A1557A8990C 80w,/-/media/project/loreal/brand-sites/garnier/usa/us/products/hair-color/olia/new/brown/olia-4_0/garnier-hair-color-olia-dark-brown-40-603084293940-av1-png.png?w=100&rev=9fe2e5d3368a4b89a140d418052af8f4&hash=0575ABE9936786821B5DB39998E1762A 100w,/-/media/project/loreal/brand-sites/garnier/usa/us/products/hair-color/olia/new/brown/olia-4_0/garnier-hair-color-olia-dark-brown-40-603084293940-av1-png.png?w=150&rev=9fe2e5d3368a4b89a140d418052af8f4&hash=17A34D6A1E363A08216B421891406465 150w,/-/media/project/loreal/brand-sites/garnier/usa/us/products/hair-color/olia/new/brown/olia-4_0/garnier-hair-color-olia-dark-brown-40-603084293940-av1-png.png?w=200&rev=9fe2e5d3368a4b89a140d418052af8f4&hash=4B233EF67E793B39927104AE99A70FFB 200w)
![Garnier olia color permanent hair](/-/media/project/loreal/brand-sites/garnier/usa/us/products/hair-color/olia/new/brown/olia-4_0/garnier-hair-color-olia-dark-brown-40-603084293940-av1-png.png?w=200&rev=9fe2e5d3368a4b89a140d418052af8f4&hash=4B233EF67E793B39927104AE99A70FFB 200w,/-/media/project/loreal/brand-sites/garnier/usa/us/products/hair-color/olia/new/brown/olia-4_0/garnier-hair-color-olia-dark-brown-40-603084293940-av1-png.png?w=360&rev=9fe2e5d3368a4b89a140d418052af8f4&hash=B9143E9792420DD48E2EF99CF0B5F25B 360w,/-/media/project/loreal/brand-sites/garnier/usa/us/products/hair-color/olia/new/brown/olia-4_0/garnier-hair-color-olia-dark-brown-40-603084293940-av1-png.png?w=500&rev=9fe2e5d3368a4b89a140d418052af8f4&hash=3647E71E862DAE4D455022D1A0A68379 500w)
![Garnier olia color permanent hair](/-/media/project/loreal/brand-sites/garnier/usa/us/products/hair-color/olia/new/brown/olia-4_0/garnier-hair-color-olia-dark-brown-40-603084293940-av1-png.png?w=400&rev=9fe2e5d3368a4b89a140d418052af8f4&hash=85A2974CA90A20C6C0725BE1F2EBABD3 400w,/-/media/project/loreal/brand-sites/garnier/usa/us/products/hair-color/olia/new/brown/olia-4_0/garnier-hair-color-olia-dark-brown-40-603084293940-av1-png.png?w=600&rev=9fe2e5d3368a4b89a140d418052af8f4&hash=8AABCBA32960F94A897625578D579673 600w,/-/media/project/loreal/brand-sites/garnier/usa/us/products/hair-color/olia/new/brown/olia-4_0/garnier-hair-color-olia-dark-brown-40-603084293940-av1-png.png?w=900&rev=9fe2e5d3368a4b89a140d418052af8f4&hash=988B95B23D84276915E1D5E636908335 900w,/-/media/project/loreal/brand-sites/garnier/usa/us/products/hair-color/olia/new/brown/olia-4_0/garnier-hair-color-olia-dark-brown-40-603084293940-av1-png.png?w=1200&rev=9fe2e5d3368a4b89a140d418052af8f4&hash=971D169EEB76A9B32FA5DA5A4E1BE37F 1200w)
![olia 4.0](/-/media/project/loreal/brand-sites/garnier/usa/us/products/hair-color/olia/new/brown/olia-4_0/garnier-hair-color-olia-dark-brown-40-603084293940-av49.jpg?w=70&rev=5934dd7e5ec040f9b1f79c4a6b54870c&hash=35B82B61AC02DA35439A77879AB963F2 70w,/-/media/project/loreal/brand-sites/garnier/usa/us/products/hair-color/olia/new/brown/olia-4_0/garnier-hair-color-olia-dark-brown-40-603084293940-av49.jpg?w=80&rev=5934dd7e5ec040f9b1f79c4a6b54870c&hash=38FF070FCE98E44D42E39C5CDEDA7F47 80w,/-/media/project/loreal/brand-sites/garnier/usa/us/products/hair-color/olia/new/brown/olia-4_0/garnier-hair-color-olia-dark-brown-40-603084293940-av49.jpg?w=100&rev=5934dd7e5ec040f9b1f79c4a6b54870c&hash=A60EE6889E1FBCE574C26DEAA0C9CFA0 100w,/-/media/project/loreal/brand-sites/garnier/usa/us/products/hair-color/olia/new/brown/olia-4_0/garnier-hair-color-olia-dark-brown-40-603084293940-av49.jpg?w=150&rev=5934dd7e5ec040f9b1f79c4a6b54870c&hash=CC3B49F2383D7ABDE900A8C3B4B185F4 150w,/-/media/project/loreal/brand-sites/garnier/usa/us/products/hair-color/olia/new/brown/olia-4_0/garnier-hair-color-olia-dark-brown-40-603084293940-av49.jpg?w=200&rev=5934dd7e5ec040f9b1f79c4a6b54870c&hash=121EBA72E11C2250F1C590BDD99F5ECD 200w)
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![Olia brown hair color](/-/media/project/loreal/brand-sites/garnier/usa/us/products/hair-color/olia/new/brown/garnier-hair-color-olia-brown-shades-av62.jpg?w=400&rev=194a7a0bcaec4f10887ddd68fb7d7611&hash=A06C21B5B020AEBC08050F69763F37E9 400w,/-/media/project/loreal/brand-sites/garnier/usa/us/products/hair-color/olia/new/brown/garnier-hair-color-olia-brown-shades-av62.jpg?w=600&rev=194a7a0bcaec4f10887ddd68fb7d7611&hash=CB8DF4DD3EBA345F83518F12B97E83DB 600w,/-/media/project/loreal/brand-sites/garnier/usa/us/products/hair-color/olia/new/brown/garnier-hair-color-olia-brown-shades-av62.jpg?w=900&rev=194a7a0bcaec4f10887ddd68fb7d7611&hash=0F939226750C05E05D11F78D7CC9108B 900w,/-/media/project/loreal/brand-sites/garnier/usa/us/products/hair-color/olia/new/brown/garnier-hair-color-olia-brown-shades-av62.jpg?w=1200&rev=194a7a0bcaec4f10887ddd68fb7d7611&hash=C05374B8341FC736663B5F42082FD398 1200w)
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![garnier olia dark brown](/-/media/project/loreal/brand-sites/garnier/usa/us/products/hair-color/olia/new/brown/olia-4_0/garnier-hair-color-olia-dark-brown-40-603084293940-av15.jpg?w=200&rev=57a69eb26a664eeeb938bed8c4252b1a&hash=2B079A8B1E9BC938BFE64E52C8C51893 200w,/-/media/project/loreal/brand-sites/garnier/usa/us/products/hair-color/olia/new/brown/olia-4_0/garnier-hair-color-olia-dark-brown-40-603084293940-av15.jpg?w=360&rev=57a69eb26a664eeeb938bed8c4252b1a&hash=2F73CA23A69F82AD8E8AAB4DAFB28381 360w,/-/media/project/loreal/brand-sites/garnier/usa/us/products/hair-color/olia/new/brown/olia-4_0/garnier-hair-color-olia-dark-brown-40-603084293940-av15.jpg?w=500&rev=57a69eb26a664eeeb938bed8c4252b1a&hash=2D6359688DB8C1CB99ED3A52931E57C7 500w)
![garnier olia dark brown](/-/media/project/loreal/brand-sites/garnier/usa/us/products/hair-color/olia/new/brown/olia-4_0/garnier-hair-color-olia-dark-brown-40-603084293940-av15.jpg?w=400&rev=57a69eb26a664eeeb938bed8c4252b1a&hash=669883BB2C594033278C47D9A392C3BC 400w,/-/media/project/loreal/brand-sites/garnier/usa/us/products/hair-color/olia/new/brown/olia-4_0/garnier-hair-color-olia-dark-brown-40-603084293940-av15.jpg?w=600&rev=57a69eb26a664eeeb938bed8c4252b1a&hash=753D81887F33762997E396A710F59E9B 600w,/-/media/project/loreal/brand-sites/garnier/usa/us/products/hair-color/olia/new/brown/olia-4_0/garnier-hair-color-olia-dark-brown-40-603084293940-av15.jpg?w=900&rev=57a69eb26a664eeeb938bed8c4252b1a&hash=26EE88C898CF1849ADB30FD29E476F6E 900w,/-/media/project/loreal/brand-sites/garnier/usa/us/products/hair-color/olia/new/brown/olia-4_0/garnier-hair-color-olia-dark-brown-40-603084293940-av15.jpg?w=1200&rev=57a69eb26a664eeeb938bed8c4252b1a&hash=19BEB7C23678590B0A37FA379DCE2CE1 1200w)
![Garnier green beauty](/-/media/project/loreal/brand-sites/garnier/usa/us/products/hair-color/olia/new/garnier-hair-color-olia-av17.jpg?w=70&rev=7be8687f47ba4395b3df2c391c9beb67&hash=AA7927BF33E72E3D4B48678AF1473CB4 70w,/-/media/project/loreal/brand-sites/garnier/usa/us/products/hair-color/olia/new/garnier-hair-color-olia-av17.jpg?w=80&rev=7be8687f47ba4395b3df2c391c9beb67&hash=2E8803F68D7084220552C2E8190D5D50 80w,/-/media/project/loreal/brand-sites/garnier/usa/us/products/hair-color/olia/new/garnier-hair-color-olia-av17.jpg?w=100&rev=7be8687f47ba4395b3df2c391c9beb67&hash=F3AFFC48E23DCF7C921A45D065C79657 100w,/-/media/project/loreal/brand-sites/garnier/usa/us/products/hair-color/olia/new/garnier-hair-color-olia-av17.jpg?w=150&rev=7be8687f47ba4395b3df2c391c9beb67&hash=DBAFAD354A8489285624669337C4F710 150w,/-/media/project/loreal/brand-sites/garnier/usa/us/products/hair-color/olia/new/garnier-hair-color-olia-av17.jpg?w=200&rev=7be8687f47ba4395b3df2c391c9beb67&hash=80DDB923B4914D1463E3C3DDC39BE2EB 200w)
![Garnier green beauty](/-/media/project/loreal/brand-sites/garnier/usa/us/products/hair-color/olia/new/garnier-hair-color-olia-av17.jpg?w=200&rev=7be8687f47ba4395b3df2c391c9beb67&hash=80DDB923B4914D1463E3C3DDC39BE2EB 200w,/-/media/project/loreal/brand-sites/garnier/usa/us/products/hair-color/olia/new/garnier-hair-color-olia-av17.jpg?w=360&rev=7be8687f47ba4395b3df2c391c9beb67&hash=3CA422DB2C508A402934C53F4C4DB691 360w,/-/media/project/loreal/brand-sites/garnier/usa/us/products/hair-color/olia/new/garnier-hair-color-olia-av17.jpg?w=500&rev=7be8687f47ba4395b3df2c391c9beb67&hash=91D9CD73A8E7EF5AF4E87D4F7FF41A11 500w)
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OLIA 4.0 - Dark Brown
Natural dark brown shade. Provides 100% gray coverage.
$10.99 MSRP
IMPORTANT: Like how this shade looks on you? Make sure it works with your hair. Take our 1-minute haircolor quiz to be certain.
Explore Similar Products
Product Information
About This Hair Dye Shade
Garnier Olia hair dye shade 4.0, "Dark Brown," is a natural dark brown one shade lighter than 3.0 Darkest Brown. It also provides 100% gray coverage.
Is This Shade Right For Me?
Shade 4.0 hair dye is best for anyone with natural hair between light brown and black. If you prefer a lighter color that still reflects naturally, try shade 5.0 Medium Brown. If you would like to remain in the dark brown range but want to explore other reflects and tones, there are many shades to choose from including 4.3 Dark Golden Brown, and 4.11 Dark Platinum Brown.
For those who currently have color treated hair, there are special considerations for the color result you can achieve. Use our Shade Selector Tool to find the shade for you!
About Olia
Unlike traditional hair dye, Olia uses a 60% oil blend with no ammonia natural flower oils to achieve brilliant, radiant color results. The oil powered technology propels colorants deep into the hair, giving you vivid, long-lasting color. Olia visibly improves and restores hair as the oils help to reverse roughness and dullness for more brilliant, long-lasting color. Olia-treated hair is hydrated, silky and up to 3X shinier than unwashed, uncolored hair.
Instructions of Use
The non-drip, velvety cream texture of Olia helps provide optimal comfort during application. Because Olia is ammonia-free, there is no harsh smell and it won't irritate your scalp. The hair dye kit includes everything you need: a developer applicator, a colorant tube, after-color conditioner, a set of gloves, and the instruction sheet. Follow the instruction sheet for the step-by-step process or watch our how-to videos below:
Watch Our How-To Videos:
1. Allergy Test Preparation
2. Olia Application Preparation
3. How To Apply
Tip: Try using Garnier Micellar Water (Waterproof) to remove hair color stains!
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: 1177016 PARAFFINUM LIQUIDUM/MINERAL OIL/HUILE MINERALE, AQUA/WATER/EAU, ETHANOLAMINE, DECYL GLUCOSIDE, SODIUM LAURYL SULFATE, PEG-40 HYDROGENATED CASTOR OIL, PARFUM / FRAGRANCE, DISODIUM COCOAMPHODIACETATE, TOLUENE-2,5-DIAMINE, RESORCINOL, HYDROXYPROPYL GUAR, SODIUM METABISULFITE, EDTA, m-AMINOPHENOL, 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.# D180157/1 US PATENTS: 7,060,107; 7,988,737; 7,988,738; 8,066,781; 8,114,170; 7,494,513 US PAT PENDING
![first fixed slider](/-/media/project/loreal/brand-sites/garnier/usa/us/fixed-slider/olia-pdps/update/garnier_olia20_pdp_fixedslider_1920x336_1.jpg?rev=032cc2132f9047c78e70f94973e49559)
Garnier Commits to Greener Beauty
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Cruelty Free Products
All Garnier products are approved by Cruelty Free International under the Leaping Bunny Program. -
99% Vegan Products
99% of ingredients in Garnier's products are vegan and not derived from animals. -
Renewable Energy Goal
By 2025, all electricity & gas usage in our plants and distribution centers will be carbon neutral.