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  • Mega Moisture Duo
  • Model exfoliating leg with OSEA body scrub, revealing smooth skin
  • Model using OSEA dry brush on back for lymphatic stimulation
  • Close-up of hydrated skin post-application, showing radiant texture
  • OSEA bodycare product texture on skin with natural shimmer

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.

Free Gift - Undaria Hydration Mini Body Duo

Free Gift with orders $80+

Spend $80 to claim your Undaria Hydration Mini Body Duo!

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
    Undaria Algae™ Body Oil
    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
    Undaria Algae™ Body Lotion
    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

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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 4,366 reviews
Total 5 star reviews: 3.7k Total 4 star reviews: 319 Total 3 star reviews: 142 Total 2 star reviews: 68 Total 1 star reviews: 111
93%would recommend these products
Slide 1 selected
4,366 reviews
  • GM
    Gina M. C.
    Verified Buyer
    Reviewing
    Undaria Algae™ Body Oil
    I recommend this product
    What best describes your skin? Normal & Combination
    How old are you? 45-60
    Rated 5 out of 5 stars
    15 hours ago
    WOW!

    I’ve been using this body oil for the past 8 months on my thighs/upper leg area and I have noticed a nice difference in my varicose veins. The Undaria Algea oil has helped to fade them over time and the body oil leaves my skin feeling so soft.

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

    Best thing you can do for your skin

  • D
    Dorothy
    Reviewing
    Undaria Algae™ Body Oil
    I recommend this product
    Rated 5 out of 5 stars
    Yesterday
    5 Stars

    Amazing product for my skin

  • DH
    Deborah H.
    Verified Buyer
    Reviewing
    Undaria Algae™ Body Oil
    I recommend this product
    What best describes your skin? Normal & Combination
    How old are you? 60+
    Rated 5 out of 5 stars
    Yesterday
    Silky

    My skin feels so pampered ❣️ Where have you been all my life!!

    OSEA® Malibu
    18 hours ago

    We love hearing stories like this. It’s why we do what we do!

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

    I love the smell, it lives my skin nurture and smooth. Love this product i use it everyday.

  • DW
    Donna W.
    Verified Buyer
    Reviewing
    Undaria Algae™ Body Oil
    I recommend this product
    What best describes your skin? Normal & Combination
    How old are you? 60+
    Rated 5 out of 5 stars
    2 days ago
    LOVE IT!!!

    LOVE IT!!!

    OSEA® Malibu
    18 hours ago

    We're smiling ear to ear!

  • AO
    Anna O.
    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
    2 days ago
    Body Oil

    Great Product!

  • JB
    Jennifer B.
    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
    3 days ago
    Love this body oil!

    I am 67 years old and have been using Oya algae body oil for over a year. I love it. It is fabulous. My skin is not creepy. My skin is very moist also! It feels luxurious!

  • RH
    Rose H.
    Verified Buyer
    Reviewing
    Mega Moisture Duo
    I recommend this product
    What best describes your skin? Normal & Combination
    How old are you? 45-60
    Rated 5 out of 5 stars
    3 days ago
    The Mega Moisture Duo is a Game Changer!

    This duo is a staple in my routine. The combination is a game-changer, transforming my skin into a radiant masterpiece. The scent is subtle and amazing, adding to the spa-like experience.

  • RG
    Rowena G.
    Verified Buyer
    Reviewing
    Undaria Algae™ Body Oil
    I recommend this product
    What best describes your skin? Mature & Dry
    How old are you? 45-60
    Rated 5 out of 5 stars
    3 days ago
    Body oil

    Very hydrating and soothing.

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