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Our Ingredients

The Best for The Planet & For You

WHAT'S INSIDE COUNTS

OSEA began with a simple question – if we invested in the best clean ingredients, would people notice? Two decades later, the evidence is clear. By using only the finest plant-based ingredients, we can harness the benefits of nature with effective, clean skincare. 

We have always swum against the current. While most beauty brands bulk purchase plant extracts, at OSEA we have a strong connection and relationship with our source ingredients. We only work with suppliers who reach our rigorous standards of purity and, wherever possible, we prefer to work with family or female-run collectives in local communities.

In particular, our USDA certified organic seaweed, present in almost all of our formulations are sourced directly from a family-operated cooperative on the pristine shores of Patagonia. Our seaweed is sustainably hand-foraged as it naturally migrates into shallow waters, as opposed to suppliers using diesel-powered ships who often utilize invasive methods to harvest from the ocean floor. 

“The moment I pulled my first harvest of seaweed directly from the waters, I knew I had found the key ingredient for OSEA. To this day, I love being on the Patagonian shores when we hand-harvest our seaweeds directly from the frigid waters.” - Jenefer Palmer, OSEA Founder

Seaweed Trio

Undaria Pinnatifida

MOISTURIZING

Undaria is a brown marine algae rich in sodium, iron, potassium, calcium and vitamins B1, B2, B3, B6 and B12. If helps the skin to maintain moisture balance and like Gigartina, is also a rich source of iodine. Undaria contains Fucocidan, which is a particularly hydrating compound that promotes a youthful, plump appearance.

Vitamin Sea Serum, Undaria Argan Oil, and Sea Minerals Mist all contain Undaria as a key ingredient.

Gigartina Skottsbergii

ANTI-AGING

Gigartina is a red marine algae with hydrophilic properties that make it an excellent moisturizing agent. It helps protect skin against external aggressors such as extreme dry climates, wind and air pollution. Gigartina is rich in iodine and bromine, as well as sulfated polysaccharides, which are known to hydrate and reduce the appearance of fine lines and wrinkles. 

Find this seaweed varietal in Advanced Protection Cream, Gigartina Therapy Bath, and Ocean Cleansing Milk

Macrocystis Pyrifera

TONE PERFECTING

Macrocystis is the largest of all marine algae and contains high levels of iodine, omega-3 and omega 6 fatty acids, vitamins and minerals. Macrocystis helps reduce the appearance of blemishes and surface redness, while improving skin texture and tone. It also reduces the appearance of wrinkles and fine lines and has a gelatinous quality which imparts a healthy glow to the skin.

Find Macrocystis seaweed in Blemish Balm, White Algae Mask, and Hyaluronic Sea Serum.

Ingredients Matter

OSEA products are vegan and gluten-free.

  • Benzoyl Peroxide
  • Hydroquinone
  • Silicone-Based Polymers
  • Parabens
  • Propylene Glycol
  • Synthetic Fragrance or Parfum
  • Phthlates
  • Ethanolamines
  • Sodium Laureth Sulfate
  • PEG Compounds (Polyethylene glycol)