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  • OSEA Mega Moisture Duo featuring Undaria Algae Body Oil, Undaria Body Butter, and dry body brush
  • OSEA body care products with 'Mega Moisture Body Routine' on a blue background
  • OSEA body lotion and body oil on a beige background
  • Person applying lotion to their leg with a clear blue sky background
  • Hand applying OSEA liquid gold body oil with a blurred beach background
  • Promotional graphic for citrusy scents with images of grapefruit, lime, cypress, and mango-mandarin.

Mega Moisture Duo

$100 valueAll Skin Types

Experience mega moisture with this Undaria seaweed packed pair for instant firming hydration and a full body glow.

Benefits

Why you'll love it

How to use

Set Includes

  • Undaria Algae™ Body Oil

    For a full-body glow

    5 fl oz / 150 mL

    Description
    Scent profile

    Uplifting grapefruit, lime & cypress blended + sweet notes of mango mandarin.

    View full product details
    Key ingredients

    Undaria Seaweed

    Hand-harvested, rich in amino acids, antioxidants and vitamins and helps replenish the skin’s moisture barrier.

    Botanical Oil Blend

    A blend of passion fruit, acai, babassu and rice bran oils provide deep moisture to replenish dry skin.

    White Lupin

    Helps visibly firm and improve skin elasticity for more youthful-looking skin.

  • Undaria Algae™ Body Lotion

    Daily lightweight hydration

    5 fl oz / 150 mL

    Description
    Scent profile
    Iconic uplifting Undaria scent of grapefruit, lime and cypress with mango-mandarin notes. Fragrance-free option available.

    *Same favorite scent as Undaria Algae Body Oil!
    View full product details
    Key ingredients

    Undaria Seaweed

    Hand-harvested, rich in amino acids, antioxidants and vitamins and helps replenish the skin’s moisture barrier.

    Hyaluronic Acid

    High-molecular weight hydrator drenches the driest layers of skin and locks in moisture for lasting hydration.

    Peptide

    A biomimetic tetrapeptide that smooths and visibly firms skin.

    Turmeric

    Helps promote brighter skin for a more youthful look.

Product Video

This product has no video

Over 30 years ago, I started OSEA to share the healing powers of the sea. Since then, it’s been our mission to create clean, clinically tested skincare, combining pure, potent seaweed with active botanicals for results you can sea. My vision is to create waves of kindness for people and our planet.

-Jenefer Palmer, OSEA Founder

FAQs

Undaria Algae™ Body Oil

Yes! This oil contains Undaria seaweed, so you may find naturally occurring seaweed sediment at the bottom of the bottle. It may not be visible at first, as it takes time to settle. This is normal and doesn't affect the product's quality or efficacy.

After cleansing with our Undaria Algae™ Body Wash, apply Hyaluronic Body Serum to dry or damp skin from the neck down. Then, generously massage Undaria Algae™ Body Oil as the last step in your body care ritual for silky, glowing skin. Undaria Algae™ Body Lotion or Undaria Algae™ Body Butter also work great layered under Undaria Algae™ Body Oil for an added boost of hydration.

It is typical for the Undaria Algae™ Body Oil to range in color from golden to emerald green. The color does not impact the quality or efficacy of the product.

To create this one-of-a-kind oil, we soak hand-harvested Undaria algae in barrels of oils to infuse the vitamins and minerals. Due to the artisanal manner of production, variation in color is normal.

We use all-natural ingredients to create the fragrance of our products. The scent may vary slightly from batch to batch.

Undaria Algae™ Body Lotion

A lightweight lotion that instantly absorbs and leaves a silky smooth finish.

After cleansing with our Undaria Algae™ Body Wash apply Hyaluronic Body Serum to dry or damp skin from the neck down. Then, generously massage Undaria Algae™ Body Lotion. If you're looking for a glowier finish and extra hydration, follow with Undaria Algae™ Body Oil or Anti-Aging Body Balm.

Undaria Algae™ Body Lotion has been formulated for use on the body, so we don't suggest it for the face. To experience the benefits of Undaria seaweed on your face, try our lightweight Atmosphere Protection® Cream. If you’re looking for a fragrance-free option, try our Seabiotic® Water Cream or Advanced Protection Cream which also include Undaria seaweed and are suitable for sensitive skin.

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Customer Reviews

4.7
Rated 4.7 out of 5 stars
Based on 4,837 reviews
Total 5 star reviews: 4.1k Total 4 star reviews: 338 Total 3 star reviews: 160 Total 2 star reviews: 76 Total 1 star reviews: 130
92%would recommend these products
Slide 1 selected
4,837 reviews
  • EM
    Elaine M. B.
    Verified Buyer
    Reviewing
    Mega Moisture Duo
    I recommend this product
    What best describes your skin? Mature & Dry
    How old are you? 60+
    Rated 5 out of 5 stars
    14 hours ago
    Wonderful

    I love the scents of both, and the lotion leaves my legs so silky smooth

  • SP
    Shannon P.
    Verified Buyer
    Reviewing
    Undaria Algae™ Body Oil
    I recommend this product
    What best describes your skin? Sensitive & Reactive
    How old are you? 45-60
    Rated 5 out of 5 stars
    17 hours ago
    Superb!!!!

    AMAZING. ABSOLUTELY ANAZING!!!! I live in Canada and it’s so dry here and lotion does not cut it. This body oil however is a life saver. Forever a customer❤️❤️❤️

  • DF
    Dawn F.
    Verified Buyer
    Reviewing
    Mega Moisture Duo
    I recommend this product
    What best describes your skin? Sensitive & Reactive
    How old are you? 45-60
    Rated 5 out of 5 stars
    20 hours ago
    Amazing!

    This is the best stuff I have ever put on my skin! I am obsessed! My skin is so soft, and the smell is amazing!

    OSEA® Malibu
    19 hours ago

    Hi Dawn - Thank you so much for your kind words - we're thrilled to have you in our community!

  • T
    Tonya
    Reviewing
    Undaria Algae™ Body Oil
    I recommend this product
    Rated 5 out of 5 stars
    22 hours ago
    5 Stars

    I love this oil! I use it everyday. Absorbs perfectly and isn’t greasy.

  • M
    Michele
    Reviewing
    Undaria Algae™ Body Oil
    I recommend this product
    Rated 5 out of 5 stars
    23 hours ago
    5 Stars

    These products are heavenly, the smell, the silky results without feeling greasy. Perfection!

  • SB
    Shelly B.
    Verified Buyer
    Reviewing
    Undaria Algae™ Body Oil
    I do not recommend this product
    What best describes your skin? Sensitive & Reactive
    How old are you? 60+
    Rated 1 out of 5 stars
    Yesterday
    Body oil

    It made me break out

    OSEA® Malibu
    19 hours ago

    Hi Shelly - We’re so sorry to hear about your experience with the Body Oil Skincare is so personal, and everyone’s skin is unique. Our Customer Care team is reaching out to provide support!

  • KS
    Kristen S. M.
    Reviewing
    Undaria Algae™ Body Oil
    I do not recommend this product
    What best describes your skin? Mature & Dry
    How old are you? 60+
    Rated 1 out of 5 stars
    Yesterday
    What happened?

    I have used and loved this product for several years, and given it as gifts. But the product I received on 5/30 is not the same. It is different in color (almost neon yellow) scent (not good-I loved the old formulation’s scent), texture (it used to be smooth and absorb into the skin-the new formulation has some kind of thickener -corn syrup like-that is unpleasant and sits on skin. Very sad. this formulation is dreadful and I will no longer buy these products. Kristen

    OSEA® Malibu
    19 hours ago

    Hi! The Undaria Algae™ Body Oil has not had a recent formula change. The shade of the Undaria Algae™ Body Oil and Undaria Algae™ Body Oil Fragrance Free can vary because the formula is made from naturally derived ingredients! The color of the Undaria Algae seaweed can range from copper-gold to mossy green, which contributes to the variation you're seeing in the final product. This variation doesn't affect the quality or effectiveness! You can check out an example of the shade range on the product page here! Additionally, at OSEA, we use both essential oils and natural fragrances to create the aromas in our products. Essential oils are aromatic extracts concentrated from plants that retain the essence of their origin. Natural fragrance is a blend of aromatic compounds and essential oils extracted from different parts of plants including flowers and fruits. Because of these natural ingredients, the scent of the Body Oil can sometimes change over time and may occasionally bring forward a seaweed aroma. This natural variation does not impact the quality or effectiveness of the product! Our team will be in touch directly if you have any additional questions and just a reminder that we offer a 30-day money back guarantee for all products purchased on our website. Here's a link to our Returns Portal. https://returns.oseamalibu.com/#/

  • T
    Teresa
    Reviewing
    Mega Moisture Duo
    I recommend this product
    Rated 5 out of 5 stars
    Yesterday
    5 Stars

    Love this product

  • PD
    Pat D.
    Verified Buyer
    Reviewing
    Undaria Algae™ Body Oil
    I recommend this product
    What best describes your skin? Mature & Dry
    How old are you? 60+
    Rated 5 out of 5 stars
    Yesterday
    Actually shocked how much I liked it

    Went to Souther California last month. Took my new OSEA bottle. Every morning I put it on lavishly. It was not greasy and absorbed nicely. After a 3 week trip my skin was not dry and flakey like prior trips. My husband is now also a fan, which was amazing.

    OSEA® Malibu
    19 hours ago

    Hi Pat - Thank you so much for your kind words! We’re so happy you’re loving the Body Oil!

  • R
    Robin
    Reviewing
    Undaria Algae™ Body Oil
    I recommend this product
    Rated 5 out of 5 stars
    2 days ago
    5 Stars

    Love it

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