From her humor to her style—we can’t help but fall for Rose Byrne. The Australian actress debuted her newly refreshed hair color during an appearance on The Tonight Show Starring Jimmy Fallon, before stepping out again at the Golden Globe Awards, where she paired her brunette with a bold neon green Chanel—a moment that was impossible to miss.
Rose Byrne's New Brunette
The dress certainly grabbed attention, but it was her hair that really pulled the whole look together—featuring a rich, glossy, and dimensional, Byrne’s brunette created a modern effortless finish to prove that sometimes a small change can make a big difference.
Behind the color was Redken Artistic Ambassador Jacob Rozenberg, who used Redken’s newest innovation, Shades ALK—a demi-permanent color designed to live in that sweet spot between a traditional gloss and permanent color to offer longevity and coverage, but with a soft, healthy-looking finish.
A Brunette That Feels Expensive, Not Overdone
What makes this color stand out is how natural it feels. Instead of a heavy, one-note brunette, Byrne’s shade has warmth and depth woven through it, giving her hair movement and reflection.
Rozenberg started by establishing a seamless root for a natural base, then layered customized glosses through the mid-lengths and ends to enhance shine and richness without weighing the hair down. The result is the kind of brunette that grows out gracefully—no harsh lines, no obvious upkeep.
“With ALK, I love that you get more longevity and more gray coverage, but with a soft grow-out,” Rozenberg shared. And honestly, that’s exactly what most clients are asking for right now.
Get The Look:
To achieve the rich, light-catching brunette, Jacob began by building a natural-looking base at the root using a custom Redken Shades ALK formula, blending 6G, 7NCH, and 6CB with a 10-volume developer to create seamless depth and soft coverage. Once the foundation was in place, he moved into a tailored, all-over gloss to enhance warmth and shine through the mid-lengths and ends. The first gloss application combined golden and neutral tones to add dimension, while a second pass—slightly warmer and refined with an orange kicker—was layered on top to boost vibrancy and bring the entire color to life. The result is a brunette that feels multi-dimensional, luminous, and intentionally crafted, without ever looking heavy or overworked.
Sparking A Trend
We’re seeing a clear shift away from extreme transformations and toward hair that looks healthy, glossy, and lived-in. Byrne’s color hits that mark perfectly. It’s polished without trying to hard and above all else it complements her features. This kind of brunette is also incredibly wearable. It works whether you’re dressing up for a major event or just want your everyday hair to look better with minimal effort. That’s what makes it feel so current for 2026.
What to Know About Redken Shades ALK
Launching February 2026, Redken Shades ALK is already shaping up to be one of the most talked-about color launches of the year. The no-ammonia, alkaline demi-permanent formula offers up to one level of lift, up to eight weeks of vibrancy, and noticeably more shine—all while keeping hair looking and feeling healthy.
With a 50-shade, fully intermixable range, a universal developer, and flexible application options, it’s designed for modern salon life and clients who want results without the commitment of permanent color. It also pairs seamlessly alongside Shades EQ, which remains the go-to for classic glossing and toning.
Cover Image Credit: @jacobrozenberg