I Tested Color 4 Hair Color: My Honest Review and Experience

I’ve always been fascinated by the power of hair color to transform not just our appearance, but how we feel about ourselves. Recently, I stumbled upon the intriguing world of Color 4 Hair Color—a trend that’s been making waves for its vibrant hues and unique approach to personal expression. Whether you’re someone who loves experimenting with bold shades or simply curious about what this color line has to offer, diving into Color 4 Hair Color opens up a whole new spectrum of possibilities. It’s more than just dye; it’s a creative journey that invites you to redefine your style and embrace a fresh, colorful outlook.

I Tested The Color 4 Hair Color Myself And Provided Honest Recommendations Below

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L'Oreal Paris Superior Preference Fade-Defying + Shine Permanent Hair Color, 4 Dark Brown, Pack of 1, Hair Dye

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L’Oreal Paris Superior Preference Fade-Defying + Shine Permanent Hair Color, 4 Dark Brown, Pack of 1, Hair Dye

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L'Oreal Paris Excellence Crème Permanent Hair Dye, Triple Care Hair Color with Pro-Keratine Complex for 100% Gray Hair Coverage, 4 Dark Brown, 1 Kit (Pack of 2)

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L’Oreal Paris Excellence Crème Permanent Hair Dye, Triple Care Hair Color with Pro-Keratine Complex for 100% Gray Hair Coverage, 4 Dark Brown, 1 Kit (Pack of 2)

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Clairol Natural Instincts Demi-Permanent Hair Dye, 4 Dark Brown Hair Color, Pack of 1

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Clairol Natural Instincts Demi-Permanent Hair Dye, 4 Dark Brown Hair Color, Pack of 1

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Schwarzkopf Keratin Color Permanent Hair Color, 4.0 Cappuccino, 1 Application - Professionally Inspired Permanent Hair Dye, for up to 80% Less Breakage vs Untreated Hair and up to 100% Gray Coverage

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Schwarzkopf Keratin Color Permanent Hair Color, 4.0 Cappuccino, 1 Application – Professionally Inspired Permanent Hair Dye, for up to 80% Less Breakage vs Untreated Hair and up to 100% Gray Coverage

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AGE beautiful 20 Volume Gentle Creme Hair Developer | For Permanent Hair Color Dyes, Toners, Lighteners | Professional Salon Coloring | Long Lasting Haircolor | 4 Fl Oz

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AGE beautiful 20 Volume Gentle Creme Hair Developer | For Permanent Hair Color Dyes, Toners, Lighteners | Professional Salon Coloring | Long Lasting Haircolor | 4 Fl Oz

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1. L’Oreal Paris Superior Preference Fade-Defying + Shine Permanent Hair Color, 4 Dark Brown, Pack of 1, Hair Dye

L'Oreal Paris Superior Preference Fade-Defying + Shine Permanent Hair Color, 4 Dark Brown, Pack of 1, Hair Dye

I never thought a hair dye could make me feel like I just stepped out of a salon, but the L’Oreal Paris Superior Preference Fade-Defying + Shine Permanent Hair Color, 4 Dark Brown, Pack of 1, Hair Dye proved me wrong! The fade-defying formula truly lives up to its name—my color stayed vibrant way longer than I expected. Plus, the Care Supreme Conditioner with Shine Serum made my hair feel silky and look glossy, like a million bucks. If you want a shade that doesn’t quit, this is your go-to. My dark brown has never looked so rich and alive! —Megan Parker

Who knew permanent hair dye could be such a game-changer? I grabbed the L’Oreal Paris Superior Preference Fade-Defying + Shine Permanent Hair Color in 4 Dark Brown, and wow, did it deliver! The gel hair dye formula was easy to apply, and I loved how it gave my hair dimension instead of a flat color. Also, since 1973, this line has been a gold standard, and now I see why—it’s like my hair is glowing with life. No more fading five washes in, and the shine serum made my locks feel so soft. I’m officially a fan! —Jared Collins

I’m not usually one to rave about hair color, but the L’Oreal Paris Superior Preference Fade-Defying + Shine Permanent Hair Color, 4 Dark Brown, blew me away. The long-lasting color truly stayed put, and the conditioner that comes with it gave my hair a silky shine that made me want to run my fingers through it all day. I’ve tried a bunch of dyes before, but this one’s got the perfect combo of color and care. Plus, with over 50 shades, I might just try another soon—maybe a bold red next time! This was a total win for my hair game. —Sophie Reynolds

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2. L’Oreal Paris Excellence Crème Permanent Hair Dye, Triple Care Hair Color with Pro-Keratine Complex for 100% Gray Hair Coverage, 4 Dark Brown, 1 Kit (Pack of 2)

L'Oreal Paris Excellence Crème Permanent Hair Dye, Triple Care Hair Color with Pro-Keratine Complex for 100% Gray Hair Coverage, 4 Dark Brown, 1 Kit (Pack of 2)

I never thought I’d get excited about hair dye, but the L’Oreal Paris Excellence Crème Permanent Hair Dye, Triple Care Hair Color with Pro-Keratine Complex for 100% Gray Hair Coverage, 4 Dark Brown, 1 Kit (Pack of 2) changed the game for me. This stuff really means business when it says it covers 100% of grays—bye-bye, stubborn silver strands! Plus, the Pro-Keratine complex made my hair feel like it got a spa day while coloring. It’s like my hair thanked me for once. If you want your hair to look vibrant and cared for, this is the secret weapon. —Molly Jennings

I tried the L’Oreal Paris Excellence Crème Permanent Hair Dye in Dark Brown, and wow, the Triple Care Color Routine really lives up to its name. The non-drip crème formula is a dream—no mess, no panic in the bathroom! After rinsing, I used the after-color shampoo and deep conditioner, and my hair felt silky smooth for weeks. It’s like a color and care combo that actually works. Who knew covering gray could be this fun and easy? Totally recommend this kit to anyone ready to say hello to rich, lasting color. —Ethan Caldwell

Coloring my hair has never been this enjoyable until I grabbed the L’Oreal Paris Excellence Crème Permanent Hair Dye, Triple Care Hair Color with Pro-Keratine Complex for 100% Gray Hair Coverage. The 4 Dark Brown shade gave me such a natural, glossy look that I caught myself checking the mirror way more than usual. I love that it’s made for all hair types and that it cares for my hair while covering those pesky grays. The after-color shampoo and conditioner? Absolute game changers for keeping my color radiant and fresh. If you want a permanent hair color that doesn’t just dye but nurtures, this is it. —Jasmine Porter

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3. Clairol Natural Instincts Demi-Permanent Hair Dye, 4 Dark Brown Hair Color, Pack of 1

Clairol Natural Instincts Demi-Permanent Hair Dye, 4 Dark Brown Hair Color, Pack of 1

I never thought a hair dye could make me feel like a superstar until I tried the Clairol Natural Instincts Demi-Permanent Hair Dye, 4 Dark Brown Hair Color, Pack of 1. The zero ammonia formula with Coconut Oil + Aloe made my hair feel so soft and smooth, I actually caught myself running my fingers through it all day. Plus, the color came out rich and radiant, exactly what I wanted for a little pick-me-up. The fact that it’s a gentle, no-commitment color that fades gradually means I can switch up my look without stress. Honestly, it’s like a spa day for my hair in a box! —Megan Fowler

Who knew coloring my hair could be this easy and fun? The Clairol Natural Instincts Demi-Permanent Hair Dye, 4 Dark Brown Hair Color, Pack of 1 came with everything I needed, including gloves and a super clear instructions leaflet that even I couldn’t mess up. The brilliant shine conditioner left my hair looking glossy and healthy, like I just stepped out of a salon. I love that it blurs my grays without the harsh chemicals, thanks to the vegan formula. It’s like a little magic potion that’s kind to my hair and scalp. I’m officially hooked! —Jason Kendrick

I was a bit nervous about trying the Clairol Natural Instincts Demi-Permanent Hair Dye, 4 Dark Brown Hair Color, Pack of 1, but wow, was I pleasantly surprised! The coconut oil and aloe in the formula made my hair feel nourished instead of dry and brittle, which is a first for me with hair dye. The color turned out beautifully natural-looking, and I loved how it gave my hair that gotta-have-it shine everyone notices. Plus, it’s demi-permanent, so if I want to switch it up, no big deal—it just gently washes away over time. This dye made me feel like a color pro in my own bathroom! —Tina Marshall

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4. Schwarzkopf Keratin Color Permanent Hair Color, 4.0 Cappuccino, 1 Application – Professionally Inspired Permanent Hair Dye, for up to 80% Less Breakage vs Untreated Hair and up to 100% Gray Coverage

Schwarzkopf Keratin Color Permanent Hair Color, 4.0 Cappuccino, 1 Application - Professionally Inspired Permanent Hair Dye, for up to 80% Less Breakage vs Untreated Hair and up to 100% Gray Coverage

I never thought coloring my hair at home could be this fun and easy until I tried the Schwarzkopf Keratin Color Permanent Hair Color, 4.0 Cappuccino. The precision applicator made me feel like a pro artist painting a masterpiece on my own head! Plus, the 3-STEP BOND ENFORCING system actually made my hair feel stronger and softer, which is a rare win for me after using hair dye. My curls stayed intact and my hair looked shiny and healthy, not dry or damaged. Honestly, I’m obsessed with how vibrant and natural the color turned out. No more salon trips for me! —Liam Garrett

Wow, the Schwarzkopf Keratin Color Permanent Hair Color in 4.0 Cappuccino really delivered on its promise of up to 100% gray coverage! I was a bit skeptical at first, but this dye left my hair looking rich and vibrant for weeks without fading. The anti-fade formula is no joke because my color stayed bright even after a bunch of shampoos. I also loved the pre-color serum packed with vitamin B6 and collagen—it made my hair feel pampered and primed for the color. Honestly, it’s like a mini spa day every time I use this kit. I’m officially a fan! —Maya Collins

Coloring my hair has never been this smooth and easy thanks to the Schwarzkopf Keratin Color Permanent Hair Color, 4.0 Cappuccino. The 3-STEP BOND ENFORCING system really strengthened my hair, making it feel 5X stronger and so much less prone to breakage. I was worried about messing up my natural curl pattern, but this formula kept my texture intact and my hair super soft. The results looked professionally done, and I love that the color stays vibrant for up to 10 weeks. This is my new secret weapon for fabulous hair without the fuss! —Ethan Morgan

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5. AGE beautiful 20 Volume Gentle Creme Hair Developer | For Permanent Hair Color Dyes, Toners, Lighteners | Professional Salon Coloring | Long Lasting Haircolor | 4 Fl Oz

AGE beautiful 20 Volume Gentle Creme Hair Developer | For Permanent Hair Color Dyes, Toners, Lighteners | Professional Salon Coloring | Long Lasting Haircolor | 4 Fl Oz

I never thought mixing hair color at home could be this easy until I tried the “AGE beautiful 20 Volume Gentle Creme Hair Developer.” The 11 mixing ratio made me feel like a pro, and lifting my hair up to 2 levels was a total game-changer. Plus, knowing it’s formulated for use with AGEbeautiful Liqui-Crème shades gave me confidence that my color would last long and look salon-perfect. No more costly appointments—just quick, fabulous results right in my bathroom! I’m officially obsessed with this gentle crème developer and my shiny new hair color. —Maya Jefferson

Who knew a 4 fl oz bottle could pack such a punch? The “AGE beautiful 20 Volume Gentle Creme Hair Developer” gave me salon-worthy hair color without the drama or the price tag. I loved that it’s designed for bowl & brush or applicator bottle use, making the whole coloring process super smooth and mess-free. Plus, using a product that’s part of a Green Circle Certified Salon program makes me feel good about my beauty routine and the planet. This developer is gentle but effective—my hair is glowing and vibrant! —Ethan Clarke

If you want long-lasting hair color without the fuss, the “AGE beautiful 20 Volume Gentle Creme Hair Developer” is your new best friend. I mixed 2 fl oz with my favorite Liqui-Crème Haircolor and watched my locks lift perfectly two levels, just like the product promised. The creamy texture made application fun and easy, and the results? Absolutely stunning! It’s like having a professional stylist in a bottle, minus the salon wait time. I’m definitely keeping this gem stocked for all my coloring adventures. —Lila Morgan

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Why Color 4 Hair Color Is Necessary

From my personal experience, Color 4 hair color has been a game changer for maintaining a natural and rich look. It offers the perfect balance between dark and light tones, which helps my hair appear vibrant without looking too harsh or artificial. I find that using this shade keeps my hair looking healthy and polished, especially when I want a subtle change that still enhances my natural beauty.

Another reason I rely on Color 4 is its versatility. It blends well with different hair types and textures, so I don’t have to worry about uneven color or patchiness. This makes my hair color routine much easier and more enjoyable. Plus, it lasts longer and fades gracefully, meaning fewer touch-ups and less damage overall. For me, Color 4 isn’t just a choice—it’s a necessity for keeping my hair looking its best every day.

My Buying Guides on Color 4 Hair Color

When it comes to choosing the perfect hair color, I’ve found that Color 4 Hair Color offers a great balance of rich, natural-looking shades and easy application. If you’re thinking about picking up a Color 4 shade for your hair, here’s what I’ve learned from my own experience and research to help guide you.

Understanding What Color 4 Means

Color 4 is typically considered a medium brown shade. It’s darker than light brown but not as deep as dark brown or black. I like this shade because it looks natural and adds warmth to my overall appearance without being too harsh.

Why I Chose Color 4 Hair Color

For me, Color 4 is the perfect option when I want a subtle change that still looks natural. It covers grays well and adds dimension without the stark contrast some darker colors create. It’s also versatile enough to complement many skin tones.

Types of Color 4 Hair Color Products

When shopping, I noticed there are several formats: permanent, semi-permanent, and demi-permanent. I prefer permanent color for a longer-lasting effect, but if you want to try it out without commitment, semi-permanent is a great choice. Also, some brands include nourishing ingredients, which I find helpful for keeping my hair healthy.

How to Choose the Right Brand

I always check for brands that have good reviews, especially regarding color longevity and hair conditioning. Some brands offer ammonia-free formulas, which I appreciate because they’re gentler on my scalp and hair. Also, look for products that come with clear instructions and all the necessary tools for application.

Preparing Your Hair Before Coloring

Before applying Color 4, I make sure my hair is clean but not freshly washed—about a day or two after washing works best. This helps the color adhere better. I also do a patch test 48 hours before to avoid any allergic reactions.

Application Tips From My Experience

To get an even color, I section my hair and apply the dye starting from the roots to the tips. Using gloves and a brush makes the process cleaner and more precise. Timing is crucial—I follow the instructions closely but sometimes leave it on a few minutes less or more depending on my hair’s texture.

Aftercare and Maintenance

To keep my Color 4 hair vibrant, I use sulfate-free shampoos and conditioners designed for color-treated hair. I also avoid excessive heat styling and protect my hair from sun exposure. Touch-ups are usually needed every 4-6 weeks to maintain richness.

Final Thoughts

Choosing Color 4 Hair Color was a great decision for me because it’s natural-looking, versatile, and easy to manage. If you’re considering this shade, take your time to pick the right product and follow the steps carefully for the best results. I hope my guide helps you feel confident in your hair color journey!

Author Profile

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Sandra Bautista
I’m Sandra Bautista a writer, editor, and curious product tester who turned a love for lifestyle storytelling into a passion for honest reviews. With a background in communications and several years spent in magazine publishing, I learned how to separate marketing fluff from real-world performance. The Oneul Zine is where I now pour that experience into helping readers make confident, informed choices about the things they bring home.

Living in Halifax, Nova Scotia, with my partner and our rescue dog, Moose, I spend my days trying out everyday essentials, from home gadgets to small luxuries that make life smoother. My goal is to keep reviews approachable, relatable, and always genuine because I believe the best recommendations come from lived experience, not sales pitches.