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Fucoidan is a superstar organic skincare ingredient, backed by more than 1,500 clinical research papers and it is attracting worldwide attention for its incredible regenerating effect on the skin. Fucoidan is found in wakame seaweed, where it protects the cells against the elements — the drying, abrasive effects of sun, wind and salt. 

Fucoidan is loaded with potent antioxidants which neutralise harmful free radicals that can damage skin cells and contribute to premature ageing. Fucoidan reduces oxidative stress and minimises the appearance of fine lines. It smooths the skin for a more youthful and radiant complexion. 

Wild-sourced is the next frontier of skin nourishment. Wild sourcing ensures purity and potency. Wild sourced ingredients are undiluted and free from chemicals, hormones and anti-biotics. Harvesting ingredients from the wild guarantees they are 100% organic for unrivalled skin nourishment that makes you radiate, naturally. Our fucoidan is wild harvested from pristine ocean waters in Patagonia.

Rare by Nature’s Fucoidan is wild harvested from wakame seaweed (Undaria pinnatifida) that grows in the pristine ocean waters of Patagonia.

We recommend the regular use of our products for one month to observe best results.

Scientifically active and proven skin nourishment

Our potent, undiluted products are proven to give you real results. Our range targets skin healing and regeneration, encourages collagen formation and helps to maintain skin elasticity for a plumper, more youthful complexion.


Our products are made with rare and potent ingredients that grow naturally in the wild. Lovingly sourced by hand. No farming. No dilution. Minimal human intervention. 100% natural and organic. Skin nourishment thatmakes you radiate, naturally.

Firmer, brighter & healthier skin



Seaweed and fucoidan seaweed extracts have made a big beauty splash, with seaweed leading the hottest skincare trends in recent years. Seaweed, which encompasses myriad marine algae (including the latest powerhouse skincare ingredient, fucoidan), contains many vitamins, amino acids and antioxidants, as well as minerals such as potassium and iodine. When it comes to skincare, its actions include boosting hydration (thanks to its polysaccharides), free-radical scavenging, supporting collagen production and improving barrier function. Favourite celebrity cosmetic dermatologist Anna Briggs is a fan, she comments that “Seaweed has numerous benefits for the skin as it is rich in vitamins, minerals, antioxidants, and other bioactive compounds."

6 benefits of seaweed in skincare

Seaweed offers several advantages when incorporated into skincare products or used directly on the skin. Here are some ways in which seaweed can benefit the skin:

  1. Nourishing and hydrating: “Seaweed contains an abundance of vitamins”, including vitamin E, vitamin C, and B vitamins, which nourish the skin and help maintain its health, vitality and glow. Fucoidan extracts are very rich in minerals such as magnesium, calcium, potassium, and iron, which help replenish and hydrate the skin, promoting a healthy and dewy moisture balance.
  2. Anti-defying properties: Fucoidan is a natural source of antioxidants, such as polyphenols, flavonoids, and carotenoids. “These help protect the skin against damage from free radicals and environmental stressors”. These antioxidants help reduce the signs of ageing, including fine lines, wrinkles, and loss of elasticity, promoting a more youthful appearance.
  3. Soothing and anti-inflammatory: Seaweed contains compounds like phlorotannins and polysaccharides that possess anti-inflammatory properties. “These components help soothe and calm the skin, making seaweed particularly beneficial for those with sensitive or irritated skin conditions, such as acne, rosacea, or eczema.”
  4. Detoxifying and purifying: Fucoidan has natural detoxifying properties, as it can help draw out impurities and toxins from the skin. It contains alginates, which are natural absorbents, capable of binding to heavy metals and pollutants, making seaweed useful in purifying the skin and promoting a clearer complexion.
  5. Moisturizing and improving skin texture: Seaweed extracts are often included in skincare products due to their ability to enhance skin moisture and improve texture. Seaweed's high mineral content helps to strengthen the skin's natural barrier function, allowing it to retain moisture more effectively and improving overall hydration. This can lead to a smoother, softer, and more supple complexion.
  6. Brightening and evening skin tone: Certain types of seaweed, such as red algae or kelp, contain compounds that inhibit the production of melanin, the pigment responsible for dark spots and uneven skin tone. “Regular use of fucoidan and seaweed-based products can help promote a brighter and more even complexion, reducing the appearance of hyperpigmentation.”

Rare by Nature Cellular renewal face cream contains Maritech® Reverse, a high-purity Fucoidan extract with clinically proven soothing, protecting and anti-ageing properties. It is extracted from wild grown Undaria pinnatifida seaweed (commonly known as wakame) in the ocean waters of Patagonia. This seaweed is hand-harvested in a sustainable way, then carefully refined in a laboratory into an organic skincare extract. The result is a luxurious active skin care cream that soothes and protects the skin, visibly diminishes fine lines, and maintains the youthful appearance of skin by protecting its building blocks.