Macrocystis Pyrifera (Kelp) Extract Bon Antioxydant Anti-âge Apaisant Hydratation Macrocystis Pyrifera (Kelp) Extract at a glance Type of brown seaweed Contains B vitamins + vitamins A and E Source of moisturizing oleic and linoleic acids Has soothing and barrier restoring properties Ruled safe as used in cosmetics Macrocystis Pyrifera (Kelp) Extract description _Macrocystis pyrifera_ extract comes from a type of macroalgae, or brown seaweed (also known as kelp), native to New Zealand. _Macrocystis pyrifera_ – like most seaweed varieties – is an abundant source of B vitamins, along with vitamins A and E. In fact, _Macrocystis pyrifera_ has more tocopherol (the most bioactive form of vitamin E) than soybean or sunflower oils, both considered to be rich sources of this antioxidant. In addition to its ability to defend skin against environmental stressors, studies show this seaweed contains skin conditioning fatty acids oleic and ceramide-essential linoleic acids. There is also research indicating that _Macrocystis pyrifera_ has a potent soothing effect on skin and helps restore barrier health. In addition to all these anti-aging and soothing properties, this type of kelp is also used as a texture enhancer in cosmetics. The independent Cosmetic Ingredient Review panel has ruled _Macrocystis pyrifera_ safe in its current use, which ranges from 0.1–1%. Related ingredients: Kelp Extract