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Undaria Algae Skincare

Our Ingredients

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Clean Beauty Since 1996

Clean skincare and body care is at the heart of everything we do. We fill our products with the best of what nature provides.


We formulate with ingredients that meet our standards:

  • Scientifically formulated
  • Safe
  • Effective
  • Vegan
  • Cruelty-free
  • Free of questionable ingredients

Proven Efficacy

We prioritize naturally-derived ingredients, chosen for their safety and efficacy. Our formulas deliver results by using active ingredients at clinically validated levels. We conduct clinical and sensory testing to prove it.

Power of the Sea

The ocean is our deepest inspiration. We formulate with seaweed because it’s a superfood rich in vitamins, minerals and nutrients. The wonders of seaweed are endless. Different species of seaweed can provide a myriad of benefits, including anti-aging and moisturization. Our seaweeds are sourced from around the world, based on scientific data.

Ingredients Matter

We combine our seaweeds with the most renowned skincare actives that have proven efficacy through in-vivo and in-vitro testing. Some of our favorites are:

  • Snow Mushroom
  • Ceramides
  • Lime Pearl
  • Squalane
  • Vegan Lactic Acid
  • Fermented Shiunko Oil
  • Hyaluronic Acid
  • Niacinamide
  • Vitamin C
  • Peptides
  • Enzymes
  • Australian Kakadu Plum
  • Kukui Oil
  • Dipalmitoyl Hydroxyproline (DPHP)
  • Turmeric
  • Bisabolol
  • Aloe Vera
  • Phytic Acid

Our Free Of List

Safe cosmetics are a consumer's right and our earth’s rightful due.

Our objective is to provide the most effective skincare while ensuring that our materials meet our high standards with respect to safety and our environment. Here are some of the ingredients formulate without:

  • Acrylate/Polyacrylamide/Acrylamide-based compounds/polymers
  • Animal-derived ingredients
  • Benzene/benzene compounds
  • Coal tar ingredients
  • Formaldehyde/formaldehyde releasers
  • Gluten
  • Heavy metal compounds
  • Hydroquinone
  • Nanoparticles
  • Polyethylene Glycol compounds (PEGs)
  • Parabens
  • Phthalates
  • Silicone-based compounds/polymers
  • Sodium lauryl sulfate (SLS) and sodium laureth sulfate (SLES)
  • Synthetic fragrance
  • Synthetic polymers
  • AND many more…

Meet Our Seaweeds

OSEA's Main Ingredient

Types of Seaweed We Use

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Sustainable Seaweed Harvesting

Ingredient Blogs

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Skincare from the Sea®

Spa Inspired + Clinically Proven
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