Science
Mechanism of Action
Shrimp Extract functions by creating a protective film on the skin's surface, which effectively locks in moisture and helps prevent dryness. Its rich composition of bioactive compounds, including proteins, amino acids, and astaxanthin, contributes to its soothing, nourishing, and antioxidant effects. Furthermore, certain components have demonstrated potential in inhibiting melanin production.
Research
Clinical Evidence
Low confidenceN/A
Key findings
- 01 In an in vitro study, a protein hydrolysate derived from shrimp by-product at a concentration of 400 µg/mL exhibited 100% inhibition of tyrosinase, a key enzyme in melanin synthesis.
- 02 Astaxanthin extracted from shrimp shells significantly inhibited tyrosinase in a dose-dependent manner (in vitro) across a concentration range of 3-50 µg/mL.
Transparency
Dusting Analysis
The Formula
Formulation
Stability
The stability of Shrimp Extract components can vary; encapsulated astaxanthin, for instance, exhibits improved stability at a pH of 4.0 compared to pH 3.0 or 7.0. Chitosan, a common derivative, is soluble in aqueous acid (pH 2-6) but is insoluble at neutral and basic pH levels.
Conflicts
- Known shellfish allergies
Safety
Safety Profile
A significant safety concern is the high risk of allergic reactions in individuals with pre-existing shellfish allergies, potentially causing symptoms such as redness, itching, swelling, and hives. Comprehensive safety assessments by regulatory bodies like CIR or SCCS specifically for 'Shrimp Extract' as a cosmetic ingredient are not available. Existing FDA information pertains primarily to food safety.
Your Skin
Skin Compatibility
Our Assessment
Verdict
While offering promising in vitro benefits for skin conditioning and potential brightening, the lack of comprehensive cosmetic safety data and the significant risk of allergic reactions for individuals with shellfish sensitivities render this ingredient questionable for broad application.
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