If you typed blonde hair inspiration into any social media platform, I can almost guarantee it wouldn’t be long before you came across a picture of Sienna Miller. Arguably the blueprint for anyone wanting to achieve an effortless yet expensive-looking blonde hair colour, her iconic locks are practically her trademark alongside her boho style and no-makeup makeup.
So, when she stepped out at the LACMA Art and Film Gala in Los Angeles last week sporting what looked like a slightly cooler-toned take on her usual blonde locks, we took notice. Her frosted blonde hair, as we’ve lovingly called the trend, felt like the perfect winter update to her usual creamy blonde hue, and as a result, we predict every blonde lover will be racing to recreate it in the coming months.
So, to find out exactly how we’ll all be doing it, I turned to expert hairstylist Thomas James. And it seems he’s already a fan of Sienna’s soft blonde look: “Frosted blonde is such a beautiful way to brighten your look during the colder months,” he told me. “It’s a softer, more wearable take on icy blonde, with delicate, cool-toned highlights that catch the light and give the hair a really fresh, expensive-looking finish. It feels polished but still effortlessly undone, which is what makes Sienna Miller’s colour so chic.”
Well, that’s us sold. Want to recreate it for yourself? James was on hand to tell us how.
How to Recreate Sienna’s Frosted Blonde Hair
1. Tailor Your Colour
This look starts at the salon, and so it’s important to know what to ask for to achieve the perfect frosted finish. “Ask your colourist for fine, delicately woven highlights in soft champagne and cool beige tones,” says James, “keeping some natural depth at the roots for dimension. The key is to avoid anything too platinum or overly ashy. You want that beautiful balance of brightness and softness, with a subtle face frame to really lift the complexion.”
2. Adapt Your Wash Routine
Then, once you’ve achieved your perfect frosted blonde tone, aftercare comes into play. “Keeping frosted blonde hair looking its best is all about maintaining moisture, shine and that beautiful creamy tone,” James told me. “I’d recommend a hydrating shampoo and conditioner to keep the hair soft and nourished.”
3. Protect Your Blonde
Finally, opt for products that will help maintain the brightness of your frosted blonde strands. James swears by the Rahua Hydration Detangler + UV Barrier to help protect against colour fade and frizz. The clever formula contains morete oil, which creates a barrier to protect colour-treated hair. “A few drops of hair oil through the mid-lengths and ends will also add that gorgeous, glossy finish that makes this blonde look so expensive,” James adds.
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