Scroll through TikTok or Instagram right now and you'll notice something: everyone's hair is turning red. Not just any red, either — a warm, coppery, sun-catching shade that colorists have started calling "Sadie Sink red," after the Stranger Things actor who's worn the color since she was a kid. Search interest in her exact shade has exploded, salons are fielding the same request on repeat, and one colorist's tutorial — simply titled "I want Sadie Sink red hair" — has pulled in over a million views on its own.

We break down why an entire generation is trading platinum highlights for auburn, and how to get the look yourself, whether you're ready to commit to permanent color or just want to test the waters first.

Who Is Sadie Sink, and Why Is Her Hair Suddenly Everywhere?

Sadie Sink first landed on the cultural radar in 2017 as Max Mayfield on Netflix's Stranger Things, and she's spent the years since building a fan base that goes well beyond the show. Part of that comes from her project choices — the feminist coming-of-age drama John Proctor Is the Villain and a modern staging of Romeo and Juliet among them — which tend to resonate with young women navigating their own coming-of-age moments.

Part of it comes from her turn as a young Taylor Swift in the 2022 short film for "All Too Well," a video that's since racked up more than 100 million views on YouTube. And now, with Sink stepping into the Marvel Cinematic Universe ahead of Spider-Man: Brand New Day, her profile — and her hair — is more visible than ever.

Over the years, that copper-red color has become something like a visual shorthand for fans: a little rebellious, a little intense, unmistakably her own. It's no coincidence that as her career has grown, so has the number of people asking their colorist for "the Sadie Sink."

Editor's Pick

If you're not ready to commit to permanent dye, a semi-permanent color gloss is the easiest way to test a Sadie-Sink-style copper without touching your natural base. See our top-rated hair color picks for gentle, low-commitment options.

The Numbers Behind the Sadie Sink Hair Effect

This isn't just a vibe — the data backs it up. Searches for Sadie Sink's specific hair color have climbed dramatically since 2025, and colorists across the country say their inboxes and DMs are full of the same request. One New York-based hairstylist, who has worked on Sink's hair since she was a teenager, told Allure that he's been "flooded" with calls from clients hoping to recreate it. On Reddit, entire threads are dedicated to picking apart the exact undertone and texture of her color, frame by frame.

"I Want Sadie Sink Red Hair" — The Search Fueling the Trend

Nowhere is the trend more visible than on TikTok, where a viral tutorial from an Arizona-based colorist — titled plainly "I want Sadie Sink red hair" — has become something of a starting point for anyone chasing the look. It's less a single video than a genre at this point: countless creators have posted their own versions, comparing formulas, toners, and glosses in pursuit of that exact coppery-red finish.

Why Gen Z Is Trading Blonde for Red

Colorists point to a handful of overlapping reasons why red has overtaken blonde as the color everyone wants right now.

Red as a Point of Difference

According to hairstylists, a lot of clients requesting red are starting from what's known in the industry as "nudie blonde" — a muted, wheaty shade that's become the internet's unofficial default. The complaint they hear most often is that a certain kind of blonde makes people feel interchangeable, like just another face on a dating app or For You Page. Red, by contrast, reads as distinct. As one colorist put it, clients are looking for a digital point of difference — something that sets them apart in a sea of similar-looking blondes.

One Salon Visit Instead of Two

There's also a practical side to the shift. Lifting hair to platinum, or easing it into a soft, warm brunette, can take two separate salon appointments — plus multiple deep-conditioning treatments — if your natural color and hair condition aren't already close to the target shade. Going red, on the other hand, can often happen in a single sitting. For a generation that wants results fast, that's a meaningful selling point. Colorists describe it simply as clients chasing "instant gratification."

The Cost-of-Living Factor

Money matters too. Keeping blonde hair looking fresh means near-constant root touch-ups, toning sessions, and glossing appointments — an upkeep schedule that's gotten harder to justify as everyday costs climb. Red, especially a single-process wash like auburn or copper, tends to need far less maintenance to stay looking intentional, which makes it an easier color to commit to on a budget.

Pros & Cons of Going Red

Thinking about making the switch yourself? Here's an honest look at what going red actually involves.

Pros
  • Often achievable in a single salon session
  • Reads as distinctive rather than blending in
  • Generally requires less frequent root touch-ups than blonde
  • Doesn't always require bleach, depending on your base color
  • Pairs well with warm and cool skin undertones alike
  • Easy to test first with a semi-permanent gloss or wig
Cons
  • Red pigment molecules are larger and fade faster than other colors
  • Can temporarily stain pillowcases, towels, and shower tiles
  • Not every red shade flatters every undertone — testing matters
  • Box dye results can vary noticeably from salon color

Red Hair Has Always Carried a Certain Magic

The appeal of red hair isn't new — it just happens to have a very of-the-moment spokesperson right now. Culturally, red hair has long been linked with being different, outspoken, or a little bit enchanted. Ancient writers described the seer Cassandra as a fiery-haired truth-teller nobody believed. Folklore casts Lilith with hair like literal flame.

Centuries later, literature ran with the same idea: Anne of Green Gables became a beloved symbol of a spirited, misunderstood redhead, Madeline let her signature curls run wild through the streets of Paris, and Ariel turned her red hair into an emblem of longing for something different. Sink's version of that archetype is thoroughly modern, but the pull is the same one that's shown up in stories for centuries — red hair as a marker of individuality.

Is Sadie Sink's Red Hair Even Real?

Here's the twist: the person who kicked off this entire trend has never dyed her hair a day in her life. Sink is a natural redhead, born with the same copper-auburn shade she wears today, and she's said in interviews that she's never colored it and doesn't plan to — despite admitting there have been moments she's been tempted.

She's mentioned hearing the classic line every redhead gets told growing up: don't dye it, people would pay good money for hair like that. So while millions of people are now chasing her exact shade in a bottle, Sink herself is the rare case of a beauty trend built entirely around something that was never manufactured in the first place.

How to Recreate the Sadie Sink Look at Home

You don't need a $300 colorist appointment to get close to this shade. Here's how a few accessible options compare:

Product Category Price Rating Best For
⭐ Overtone Coloring Conditioner Semi-Permanent Gloss $32.00 4.5 / 5 Testing the Shade Risk-Free
L'Oreal Paris Excellence Creme Permanent Dye $9.99 4.4 / 5 Full Commitment at Home
Redken Color Extend Shampoo Color-Safe Care $24.00 4.6 / 5 Keeping Red From Fading
Olaplex No. 3 Hair Perfector Bond Repair $30.00 4.7 / 5 Protecting Hair Before Coloring
UNice Copper Red Lace Wig Wig $149.00 4.5 / 5 Trying the Look With Zero Commitment
A single-process copper or auburn dye applied to a base color that's already medium-to-dark tends to need the least upkeep — which is part of why colorists say this trend is so much easier to commit to than a full platinum transformation.

A Step-by-Step Order for Best Results

Whether you're heading to a salon or grabbing a box at the drugstore, this order keeps the process smooth and the color looking intentional:

  1. Save a few clear reference photos of the exact copper, auburn, or cherry-red tone you're after.
  2. Check your current hair level against the dye box to confirm it can realistically reach that shade without pre-lightening.
  3. Do a strand test 48 hours before your full application to check for allergic reaction and to preview the final tone.
  4. If you're going more than two shades lighter or need to neutralize brassiness, book a professional appointment instead of DIYing.
  5. Apply a bond-repairing treatment before and after coloring to protect hair's internal structure.
  6. Switch to a color-safe, sulfate-free shampoo immediately to slow down fading.
  7. Use a UV-protecting leave-in spray if you'll be spending time outdoors, since red fades fastest in direct sun.
  8. Schedule a gloss refresh every four to six weeks to keep the color looking vibrant, not muddy.

Our Final Verdict

The Sadie Sink Hair Effect is one of those rare beauty trends that's built on something genuinely unmanufactured — a natural hair color that happens to belong to someone with real cultural pull right now. That's part of why it's stuck around longer than the average TikTok trend: there's no bleach damage to reverse, no upkeep schedule that requires a second mortgage, and no single "correct" way to wear it. Whether you go all-in with a permanent dye or dip a toe in with a gloss or a wig, the appeal is the same one that's kept redheads a little bit iconic for centuries — it's a color that reads as unmistakably, unapologetically yours.

Have Questions?
Frequently Asked Questions
Does Sadie Sink actually have red hair?
Yes. Sadie Sink's coppery red hair is completely natural, not dyed or colored for a role. It has been her hair color since childhood and remains one of her most recognizable features.
Is Sadie Sink a natural redhead?
Yes, Sadie Sink is a natural redhead. She has said in interviews that she has never dyed her hair and does not plan to, even though she has occasionally been tempted to switch things up.
What is Sadie Sink's natural hair color?
Her natural shade sits between copper and auburn, a warm reddish-orange with golden undertones that reads slightly differently depending on lighting, which is part of why colorists find it so tricky to match exactly.
Who is more beautiful, Sadie or Millie?
Beauty is subjective, and both actresses are widely admired for very different looks. Sadie Sink is known for her natural copper hair and expressive features, while Millie Bobby Brown is known for her versatility with color and styling. Rather than ranking them, most fans simply appreciate that each brings something distinct to the screen.
What hair texture does Sadie Sink have?
Sadie Sink has naturally thick hair with a soft, gentle wave. It can be styled sleek and straight or worn in loose waves, and it holds curls well for red carpet looks.
Does Sadie Sink wear wigs?
Occasionally, for specific film or television roles that call for a different length or texture. For most public appearances and red carpet events, she wears her natural hair.
Is Sadie Sink playing Jean Grey in the MCU?
It has not been confirmed. Fans have speculated about the connection given her hair color and the character's history, but Marvel has not announced her specific role in Spider-Man: Brand New Day.
Why is everyone going red because of Sadie Sink?
Colorists point to a mix of factors: red hair stands out on social media where blonde has become the default, it typically takes one salon visit instead of two, and it tends to be more budget-friendly to maintain than upkeep-heavy blonde.
How can I get Sadie Sink's exact red hair color?
Bring a clear reference photo to your colorist and ask for a warm copper base with subtle golden undertones. If you want to test the shade first, a semi-permanent gloss or a red wig is a lower-commitment way to see if the color works for you before going permanent.