Science
Mechanism of Action
This extract functions primarily as a humectant, drawing moisture from the environment into the skin to enhance hydration and refine texture. Its complex composition of vitamins, minerals, amino acids, and polysaccharides bolsters the skin's protective barrier against environmental aggressors. Furthermore, it exhibits anti-inflammatory and soothing effects, calming irritation and reducing redness. The presence of antioxidants helps neutralize free radicals, mitigating signs of aging such as fine lines. Certain Laminaria species are also known to support collagen synthesis, promoting firmer, smoother skin, and can aid in regulating sebum, making it beneficial for various skin types.
Research
Clinical Evidence
Medium confidence10%
Transparency
Dusting Analysis
There is no information to suggest that Laminaria Ochotensis Extract is commonly 'dusted' or used at ineffective concentrations for marketing purposes. The ingredient demonstrates clear beneficial mechanisms and reported efficacy at specific concentrations.
The Formula
Formulation
Stability
The extract is water-soluble, with optimal stability typically observed within a pH range of 4.0-6.0, similar to related Laminaria species like Laminaria Saccharina. During processing, pH may be adjusted from a minimum of 3.5 to near neutral. Studies on Laminaria japonica extract suggest good compatibility with other formulation components, showing no adverse effects on the physicochemical characteristics of cream products.
Conflicts
- strong chemicals
Safety
Safety Profile
The INCI name 'Laminaria Ochotensis Extract' was retired in 2015, with trade name assignments now often published under 'Saccharina japonica extract'. The Cosmetic Ingredient Review (CIR) Expert Panel deemed a related species, Laminaria Ochroleuca Extract, 'safe as used' in cosmetic concentrations up to 0.63%. Laminaria japonica extract is also classified as 'Generally Recognized as Safe' (GRAS) and recognized as safe by European cosmetic regulations. While generally considered safe with a low risk of irritation, individuals with known iodine sensitivity or thyroid conditions should exercise caution, particularly with high concentrations. Allergic reactions are rare but possible for those sensitive to seaweed, necessitating patch testing for sensitive individuals.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Laminaria Ochotensis Extract is a valuable multi-functional ingredient, offering significant hydration, barrier support, and antioxidant protection across various skin types with a favorable safety profile.
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References
Sources