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    Home » Bath & Body

    Published: Jul 24, 2025 by Kaleigh · This post may contain affiliate links, including Amazon links.

    Osea Undaria Algae Body Oil Review

    This clean, seaweed-infused body oil is lightweight yet deeply moisturizing and has a delightful scent. Read my full review of Osea Undaria Algae Body Oil.

    OSEA undaria algae body oil on a white background with text overlay.

    I'll be the first to admit, something with 'algae' in the title wouldn't exactly be my first choice. The name doesn't exactly conjure up thoughts of light, fruity smells. But I do love a good body oil, so when I received a sample bottle of Osea's Undaria Algae Body Oil, I dove right in to see what it was all about. Not only was I pleasantly surprised, smell-wise, I was downright delighted with the whole product! Here's my full review of this seaweed-infused clean moisturizer.

    Jump to:
    • Why You Need A Clean Body Oil
    • Meet the Product: Osea Undaria Algae Body Oil
    • Osea Undaria Algae Body Oil: My Honest Review
    • Overall Impressions

    Why You Need A Clean Body Oil

    Despite always being told I shouldn't use oils on my oily skin, as I've grown a little older and wiser, I gravitate more toward oils over lotions for everything - from cleansing and moisturizing my face to body oils. They just seem to do their job better without leaving a greasy finish - and they are typically cleaner with fewer ingredients and fewer fillers.

    Conventional body moisturizers can often be made ingredients that are questionable at best, and harmful at worst, including:

    • Parabens - Commonly used in many personal care products and easily absorbed by the body, parabens are endocrine disrupting chemicals (EDCs)1 linked to breast cancer, thyroid problems, obesity, reproductive problems in both males and females2, and early onset of puberty in girls.3
    • BHA - Chemical preservatives commonly used in cosmetics and food that have been associated with endocrine disruption, skin reactions, and could even be a carcinogen.4
    • 'Fragrance' - The term fragrance on labels could be a mix of any chemicals that manufacturers are not required to disclose, and often are synthetic chemicals with harmful effects, including allergies, dermatitis, respiratory distress and potential effects on the reproductive system.5
    • Phthalates - Phthalates are widely used in the cosmetics and personal care industry and have been linked to reproductive and endocrine disfunction, metabolic disfunction, cancer, and asthma.6
    • Mineral oil - A petroleum-based oil that can clog pores and trap dirt and bacteria, causing breakouts. It can also be contaminated with PAHs - known carcinogens harmful to human health.7

    Since many of these toxic ingredients are hard to avoid in conventional moisturizers, it's best to seek out a clean alternative for something you're going to apply all over your skin, especially if you use it every time you shower like I do!

    OSEA Undaria Algae Body Oil

    This clean, seaweed-infused body oil is clinically shown to instantly improve elasticity and deeply moisturize. Rich yet never greasy, this intoxicating elixir leaves skin glowing with a light, citrusy scent. Your skin is in for a luxurious treat!

    OSEA Undaria Algae Body Oil
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    Meet the Product: Osea Undaria Algae Body Oil

    What It Is: A clean, seaweed-infused body oil with an uplifting scent of grapefruit, lime & cypress that delivers a rush of antioxidant-rich hydration.

    What It Claims: "Rich yet never greasy, this intoxicating elixir leaves skin glowing. Clinically shown to instantly improve the look of skin elasticity and deliver deep moisturization." - Osea Website

    woman's hand holding a tube of osea algea body oil.

    Osea Undaria Algae Body Oil: My Honest Review

    Ingredients: 10/10

    One reason I love using oils is the shorter ingredients list that are generally pretty clean. This body oil contains only skin loving natural oils, including essential oils, and plant extracts for scent.

    Experience: 10/10

    By the name alone, I wasn't expecting to love the smell - 'algae' brings to mind seaweed washed up on the shores of the Texas coast. However, I'm happy to report that this body oil smells delightfully of citrus. Light grapefruit and lime notes that are easy breezy. It smooths on like a dream, absorbs quickly, and leaves zero sticky or greasy feeling on skin.

    Performance: 10/10

    Despite being lightweight, this oil moisturizes deeply. It makes my skin feel soft and nourished, instantly smoothing and hydrating my dry summer skin.

    Value: 6/10

    The only downside to this oil is the higher price point. It definitely has a luxury price tag. I also find that it takes a little more product than I'd expect to get full-body coverage.

    Overall: 9/10

    Overall Impressions

    If your skin is in need of deep moisture (and a little help in the firming department), this luxurious seaweed-infused body oil is the answer! It is such a treat to smooth on post-shower with a light, citrusy scent and never-greasy feeling, leaving skin deeply moisturized and silky soft. If you have the room in your budget, it's definitely worth it! (For a more affordable option, try Plant Therapy's Sweet Orange Body Oil.)

    Buy It: Osea Undaria Algae Body Oil

    (Find it on Amazon here, or grab it for $25 off from Credo Beauty with my link!)

    • Reviewer Stats
    • Age: 30s
    • Hair Type: Oily + Color Treated
    • Skin Type: Oily/Combo
    • Concern: Breakouts + Preventing fine lines
    1. Paraben Esters: Review of Recent Studies of Endocrine Toxicity, Absorption, Esterase and Human Exposure, and Discussion of Potential Human Health Risks ↩︎
    2. Parabens and Their Effects on the Endocrine System  ↩︎
    3. Association of Phthalates, Parabens and Phenols Found in Personal Care Products with Pubertal Timing in Girls and Boys ↩︎
    4. National Toxicolody Program: RoC Profile Butylated Hydroxyanisole ↩︎
    5. What is Fragrance? ↩︎
    6. Phthalates Toxicity ↩︎
    7. Mineral oils and waxes in cosmetics: an overview mainly based on the current European regulations and the safety profile of these compounds ↩︎

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    kaleigh mcmordie, rdn

    Hi, I'm Kaleigh! I'm here to empower you on your journey to finding cleaner beauty products through honest reviews and education, because you shouldn't have to choose between healthy, natural products and feeling beautifully feminine.

    More about me →

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