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Jania Rubens Extract

Rating: Good
Benefits: Anti-Aging/Longevity, Soothing
Categories: Antioxidant

Jania Rubens Extract at a Glance

  • From a type of red algae
  • Rich in antioxidants
  • Contains glycosaminoglycans
  • Possibly helps build collagen
  • Has soothing properties

Jania Rubens Extract Description

_Jania rubens_ extract comes from a type of red marine algae. Like most types of algae, it has multifaceted benefits for skin.

Research demonstrates that this type of algae extract is a good source of antioxidant-rich flavonoids and that it helps fight signs of UV-related aging. It also contains glycosaminoglycans, a group of complex proteins that support skin hydration and replenishment (hyaluronic acid is an example of a glycosaminoglycan).

There is also evidence that _Jania rubens_ extract interrupts inflammatory processes within skin, making it a valuable soothing ingredient. Some studies even indicate that peptides derived from this extract can help skin build collagen, though more research is needed.

That being said, this is still a very good ingredient and one to consider in the search for anti-aging products. The typical use level of _Jania rubens_ extract in cosmetics is 1–2% when supplied in a water and glycerin base.
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Jania Rubens Extract References

UL Prospector, Website, Accessed June 2025
Sustainability, May 2023, pages 1-17
Applied Sciences, December 2023, pages 1-16
Algae Research, November 2022, ePublication
Molecules, November 2022, pages 1-26
Pharmaceutics, November 2021, pages 1-32
Cosmetics, June 2021, pages 1-16