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If you keep up to date with viral beauty products, you’re likely to know that our Undaria Algae™ Body Oil is the winner of the 2025 Allure Best of Beauty Awards for Best Body Oil. (Thank you, Allure!). Our hero product, which launched in 2010, has remained a favorite among beauty editors, celebrities, and our community alike—and for good reason. The visibly firming formula (which combines mineral-rich Undaria seaweed with nourishing botanical oils) is clinically shown to immediately improve skin elasticity* and leaves skin silky, soft and glowing all over.
We thought it would be fun to see how the oil measured up with our own team. So we asked four OSEA insiders to share their honest opinions on our number-one bestseller. Let’s get into it.
*Based on an independent third-party clinical study after 1 use.
Sara Schwarcz
20s, Senior Manager, Affiliate Marketing
3 words to describe it:
Silky, glowing, vacation
The Experience:
“I love using Undaria Algae Body Oil everywhere. I slather it on my arms, legs, hands and décolleté before I go to sleep and I wake up to baby-soft skin. It never feels sticky on my skin and layers beautifully over Hyaluronic Body Serum (or truly any OSEA body product). I'm also acne-prone, and it's one of the only oils that never breaks me out.”
The Results:
“The results took time for me, as I wasn’t as consistent about applying it daily when I first started using it. Right out of the gate, I noticed that my skin was softer, glowier and more moisturized. But after a couple of weeks, I could see a difference in the firmness of my skin. My legs are also significantly softer and look better than they have in years.”
The Scent:
“I find the scent to be really refreshing, clean and bursting with energy. But it’s subtle and light enough to wear to breakfast. Think: luxury.”
Vannecer Masso
20s, Video Editor & Content Creator
3 words to describe it:
Glowy, clean, hydrating
The Experience:
“I stand by the Allure editors and thousands of shoppers who have given it a five-star rating. While I am not always a fan of body oils, as they can often be greasy, Undaria Algae™ Body Oil is rich yet surprisingly lightweight. It absorbs quickly, leaving my skin hydrated, silky smooth and glowing. I use it straight out of the shower on slightly damp skin. I especially love wearing it when I’m going out. It makes me feel super confident and has truly become my favorite accessory.”
The Results:
“I’ve been applying this in the evenings for about four years and can honestly say that my skin feels firmer in the morning and throughout the day. The results are especially noticeable on my stomach area––where I’ve lost a lot of elasticity. I also used this throughout my pregnancy, and it kept my skin moisturized and glowy.”
The Scent:
“I love the clean, bright and invigorating scent. I’m from Florida, and the citrus notes embody that happy energy and make me feel nostalgic for home.”
Adrienne Armitage
40s, Director of Wholesale Planning & Strategy
3 words to describe it:
Glow, citrus, moisturizing
The Experience:
“I discovered Undaria Algae™ Body Oil four years ago at the Nordstrom Anniversary sale. I'm not sure what I like most about this product—the fact that it not only makes my skin feel so soft, glowy and hydrated, or the subtle and fresh scent. It’s the perfect product to hydrate after applying self-tanner, which can zap moisture from the skin. I also love that I can get dressed soon after applying it without it transferring onto my clothes.”
The Results:
“The biggest difference I’ve noticed is that my skin feels softer and smoother, has a beautiful sheen to it, and over time it just looks healthier.”
The Scent:
“This citrus-forward scent is so bright and juicy but not overpowering. I live in the Midwest and it gets very cold here. This instantly transports me to summers on the Amalfi Coast and to swimming in the sea with a spritz.”
Katelyn Kilburg
30s, Project Manager
3 words to describe it:
Nourishing, uplifting, memorable
The Experience:
“This body oil has literally improved my skin and my life. Fun fact: I love this product so much that it was the catalyst for me applying for a job at OSEA. When I had used different body oils in the past, they had felt sticky, thick and tended to sit on top of my skin instead of being absorbed. That wasn’t the case with this oil. The texture is light and luxurious, and it leaves your skin glowing. It has been my go-to body product since the moment I tried it.”
The Results:
“As someone with drier skin, hydration is always a top priority. This body oil gives me the deep moisturization my skin craves. I’ve seen a noticeable improvement in the elasticity of my skin, especially my décolletage, since I started using it. It also layers beautifully over our other body products.”
The Scent:
“Undaria Algae™ Body Oil has a fresh, citrusy scent that lingers nicely on the skin. I normally tend to be drawn to more earthy scents, so I love how the cypress mingles with the grapefruit, lime, and mango mandarin notes.
On our first date, my then-boyfriend, now husband, kept mentioning how good I smelled. I wasn’t wearing any perfume, just OSEA body oil. Now our dog is also obsessed with the scent, and follows me around any time I’ve applied it. It’s truly a family favorite!”