Crithmum Maritimum Extract
Explained
This ingredient is also known as sea fennel. It is a coastal plant extract with plant compounds like chlorogenic acid. This plant contains both "water" and "oil" parts.
One small human study (12 people over the age of 50) found formulas containing sea fennel biomass showed faster recovery of barrier function / TEWL after the barrier was deliberately disrupted.
A 2025 paper reported improved markers of regeneration in a UV-weakened full-thickness skin model using both water and oil parts. Markers include thicker epidermis, higher loricrin, and more collagen-related signals compared to an oil-only extract.
Broader phytochemical reviews describe antioxidant and anti-inflammatory activity in experimental models.
The plant's essential oil side can contain fragrant terpenes that can irritate sensitive skin, but many skincare formulas focus more on antioxidants like chlorogenic acid.
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