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Editor's Pick
  • Models in swimwear, with one holding an open 6.7 oz jar of OSEA Undaria Algae Body Butter.
  • Undaria Algae Body Butter 6.7 oz jar on white background for ecommerce display
  • Undaria Algae Body Butter highlighting 72-hour hydration, firmer-looking skin, and smooth, supple finish
  • Clinical results showing hydration up to 72 hours and improved crepiness and firmness after four weeks
  • Ultra-rich body butter applied to thigh demonstrating fast-absorbing, nourishing texture
  • Iconic citrus Undaria scent profile featuring grapefruit, lime, cypress, and mango-mandarin
  • Key ingredients: Undaria seaweed, shea butter, ceramides, and amino acid DPHP for barrier support and firmness
  • Undaria Collection lineup showcasing seaweed-powered body wash, oil, lotion, polish, and butter
  • Body moisturizer comparison chart guiding hydration, firmness, glow, and texture preferences
  • Open jar of Undaria Algae Body Butter highlighting creamy, whipped texture
  • Undaria Algae Body Butter travel size 1.7 oz jar on white background for ecommerce display

Undaria Algae™ Body Butter

Clean Meets Clinical ®All Skin Types

Next-level body butter with Undaria seaweed, shea butter and ceramides that delivers up to 72 hours of hydration while visibly improving skin crepiness and firmness.

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Benefits

Why you'll love it

Scent profile

How to use

What Our Customers Are Saying

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Renew Your Skin From Head to Toe

Complete Your Routine

  • 01 · Cleanse

    Nourishing body cleanser

    Size
  • 02 · Exfoliate

    Skin-softening exfoliator for smooth, glowing skin

  • 03 · Treat

    New wave hydration

    Size
  • 04 · Moisturize — You're Here

    Undaria Algae™ Body Butter

    Skin renewing hydration

    This product
    Open jar of Undaria Algae Body Butter highlighting creamy, whipped texture

Add the rest to complete the routine

Adds all four steps in the sizes selected above

$182

Results You Can Sea®

CLINICAL RESULTS*

  • 100% showed an immediate increase in hydration
  • Hydrates up to 72 hours
  • Visibly improves skin crepiness & firmness after 4 weeks
  • *Based on a third-party clinical study conducted on 32 women.

Featured Review

Thick and creamy

"The Undaria Algae Body Butter is a rich and creamy body butter. It has a wonderful scent and stays on for two days. I can definitely see and feel the difference on my legs and arms." — Cynthia W.

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Clean Ingredients

Undaria Seaweed

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

Shea Butter

Revives dry skin leaving it soft, smooth and deeply moisturized.

Ceramides

Moisturizes, renews and supports skin’s own moisture barrier.

Amino Acid DPHP

A plant-derived amino acid firms the look and feel of skin leaving it super supple.

Iconic Citrusy Undaria Scent

Transport yourself to a beach vacation with a fresh yet intoxicating blend of grapefruit, lime, and cypress, layered with sweet mango-mandarin notes.

Shop the Scent

For a full-body glow

Size

Nourishing body cleanser

Size

Daily lightweight hydration

Scent
Size

AHA exfoliator + cleanser

OSEA founder Jenefer Palmer seated with a laptop in front of OSEA skincare products.

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 Butter has the same beloved fragrance found in our Undaria Algae™ Body Oil and Undaria Algae™ Body Lotion. An all natural fragrance with uplifting grapefruit, lime and cypress combined with the sweet notes of mango mandarin.

It has a butter-rich texture that is fast absorbing and non-greasy!

Undaria Algae™ Body Butter 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.

Packaging: Jar is made of frosted glass. Cap (6.7 oz) is made of 50% PCR (post-consumer recycled) plastic.
Recycling: Please remove cap and dispose of it in the trash. Clean jar and put in your curbside recycling bin*.
*Before disposing in your recycling bin, please check if your local curbside recycling program accepts frosted glass.

If you live in the Los Angeles area, you can participate in our Recycling Program at our Venice Skincare Studio. Find all the details here.

Learn

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Customer Reviews

4.7
Rated 4.7 out of 5 stars
Based on 1,919 reviews
91%would recommend this product
Reviews Summary
Customers say this body butter leaves skin feeling silky smooth and deeply moisturized. Many reviews highlight its rich texture and pleasant scent. While most find it absorbs well, some mention it can flake on application. The butter receives praise for its long-lasting hydration, with users noting it keeps skin soft throughout the day.
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1,919 reviews
  • M
    manjari
    I recommend this product
    Rated 5 out of 5 stars
    8 hours ago
    5 Stars

    Best for winter

  • DC
    Deborah C.
    Verified Buyer
    I recommend this product
    What best describes your skin? Mature & Dry
    How old are you? 60+
    Rated 5 out of 5 stars
    Yesterday
    😊 love it.

    I love OSEA undaria algae body butter,

    I use it everyday morning and night. It’s the best ever!!

  • L
    Lola
    I recommend this product
    Rated 5 out of 5 stars
    3 days ago
    5 Stars

    Amazing

  • LB
    Louise B.
    Verified Buyer
    I recommend this product
    What best describes your skin? Normal & Combination
    How old are you? 60+
    Rated 5 out of 5 stars
    4 days ago
    Body butter

    Love it! Smooth, nice scent, pearly glow finish.

  • L
    Lois
    I recommend this product
    Rated 5 out of 5 stars
    6 days ago
    5 Stars

    OSEA is the best ! Love all their products. BOGOFM—-Buy One Get One FOR ME !!

  • SR
    Susan R.
    Verified Buyer
    I recommend this product
    What best describes your skin? Mature & Dry
    How old are you? 60+
    Rated 5 out of 5 stars
    1 week ago
    Excellent

    I use this daily, it locks in a lighter moisturizer beneath it, has a light scent that easily 'plays well' with others. My skin looks supple all day, without crepiness or dryness.

  • LG
    Lori G.
    Verified Buyer
    I recommend this product
    What best describes your skin? Mature & Dry
    How old are you? 45-60
    Rated 5 out of 5 stars
    1 week ago
    Best product for my menopauseal skin

    My skin has been horrible while maneuvering through this new phase of life. My legs and arms were so dry and flaky and also crepey. The moment I started using this my skin felt so good, smelled good too, but those issues went away. I also put it on my chest.

  • AS
    Alli S.
    Verified Buyer
    I recommend this product
    What best describes your skin? Sensitive & Reactive
    How old are you? 25-34
    Rated 5 out of 5 stars
    1 week ago
    My holy grail

    I have been using this body butter daily for probably 4 or 5 years now. I go through 3-4 of them a year and it is my absolute favorite scent and formula it truly is my holy grail. Love love love!!!

    OSEA® Malibu
    1 week ago

    Hi Alli - Thank you so much for your kind words! We’re so happy you’re loving the Body Butter.

  • JM
    Joyce M.
    Verified Buyer
    I recommend this product
    What best describes your skin? Mature & Dry
    How old are you? 60+
    Rated 5 out of 5 stars
    1 week ago
    Undaria Algae Body Butter

    Love this body butter. Have purchased it many times.

    Helps keep my skin hydrated and soft.

  • NP
    Nancy P.
    Verified Buyer
    I recommend this product
    What best describes your skin? Mature & Dry
    How old are you? 60+
    Rated 5 out of 5 stars
    2 weeks ago
    Love It!

    I purchased this in the small travel size that was included in a kit with a bottle of oil. The body butter made my skin feel so good that I immediately ordered the larger size and even subscribed to it so that I never run out. After using it for several days I noticed an improvement in my skin. Using this along with the body oil has truly made a difference in the appearance of my skin.

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