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    1. Beauty
    2. Hair

    Billie Eilish’s Octopus Haircut Is Convincing Me to Try the Controversial Trend

    Layers on layers.

    Ariel Wilson#039;s avatar
    By Ariel Wilson
    Published 31 January 2025 In News

    When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

    Billie Eilish wearing glassing tie and white graphic t-shirt
    (Image credit: Getty Images)
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    Billie Eilish is reviving a controversial haircut trend. On Jan. 20, the actor performed at the Fireaid Benefit Concert for California Fire Relief, sharing the stage with Billie Joe Armstrong. The singer, who has been spotted in a bevy of hair colors from lime green to platinum blond in the past, was wearing a rather understated jet-black shade for the occasion. Still, Eilish has never been one to shy away from a head-turning beauty moment—and her new octopus cut is proof.

    For the look, Eilish kept the majority of her mid-length hair intact. As is customary for the animal-inspired style, she cut the top portion of her hair into a bob. The combination allowed her preexisting curtain bangs to naturally create something reminiscent of a shag. Octopus haircuts blew up in 2022 and have been spotted on celebrities like Nicole Kidman, Kerry Washington, and more. The style is one of many inspired by wildlife, with wolf hairstyles and jellyfish cuts having also spent some time in the spotlight.

    Billie Eilish with an octopus haircut

    Billie Eilish with an octopus haircut.

    (Image credit: Getty Images)

    If you, like the rest of the world, are wondering how exactly Eilish keeps her hair so healthy while constantly trying so many new looks, I have an answer for you: her scalp health is likely top-notch. Alongside a regular wash schedule and taking breaks from extensions, supplements can also help you boost your scalp health. “Omega-3 fatty acid supplements have anti-inflammatory properties and can support in helping reduce scalp dryness and irritation,” says dermatologist Dendy Engelman, MD, FACMS, FAAD. “Additionally, collagen supplements are often taken to support and improve overall hair health by supporting the scalp's structural integrity and promoting healthier hair growth.”

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    If 2025 is your year to get your hair and scalp back into optimal health so you can churn out hairstyles with Eilish-level speed, I rounded up a few products that should be in your hair-care arsenal.

    Fatty15 Pure C15:0 Pentadecanoic Acid Supplement - 3x Cellular Benefits of Omega-3 - Longevity Supplement - Supports Gut, Liver, amp;amp; Cholesterol Health - Vegan-Friendly Capsule 90 Count

    Fatty15 Pure C15:0 Pentadecanoic Acid Supplement
    $119.95 AT FATTY 15

    "Fatty15 contains a molecule called pentadecanoic acid, which is a type of fatty acid that is thought to play a role in improving the skin's lipid barrier," Dr. Engelman says. "The skin’s lipid barrier is particularly important in locking in moisture as well as protecting the skin from external stressors and irritants, which is an essential part of maintaining scalp and skin health."

    Scalp Revival Charcoal + Coconut Oil Micro-Exfoliating Scrub Shampoo - 8.0 Oz

    Briogeo Scalp Revival Charcoal + Coconut Oil Micro-Exfoliating Scrub Shampoo
    $42 AT SEPHORA

    One of my favorite hair products of all time is this charcoal scrub. It has small crystals that exfoliate the scalp as well as peppermint and spearmint oils that leave behind a squeaky-clean sensation.

    T.1 Day

    Nutrire T.1 Day Scalp Serum
    $68 AT NUTRIRE

    Use this scalp serum that is packed with amino acids to enforce your hair at the root, fortifying your strands to be able to withstand all of your wildest hair-styling dreams.

    Dr. Dendy Engelman headshot
    Dr. Dendy Engelman
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    Dermatologist

    Dr. Dendy Engelman is a board-certified dermatologic surgeon at Shafer Clinic Fifth Avenue. 

    Marie Claire Newsletter

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    Explore More
    Billie Eilish
    Ariel Wilson
    Ariel Wilson
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    Beauty Writer

    Ariel Wilson is the Beauty Writer at Marie Claire. Previously the associate beauty editor at PS, she also has bylines in InStyle, Forbes Vetted, Women's Health, and more.

    Shaped by her experience in research, social sciences, and the non-profit sector, Ariel enjoys looking at beauty from a sociocultural lens, looking to avenues like politics, culture, and the arts, to inform her views on the space. That being said, as a true beauty-product obsessive, testing the latest items to hit the market, keeping up with trends, and meeting industry icons, will always be her favorite part of working in the beauty space.

    When she's not working, Ariel can be found hanging out with her husband and loving on their two cat daughters: Cow and Chicken.

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