Science
Mechanism of Action
This extract functions as a potent antioxidant by scavenging various radical species (DPPH•, ABTS+•, O2-•) and exhibits reducing capacity. Its anti-melanogenic action involves inhibiting tyrosinase activity and decreasing melanin production in skin cells through the downregulation of MITF and phosphorylated CREB, coupled with the upregulation of p-ERK and p-JNK pathways. This cascade ultimately reduces the expression of tyrosinase and TRP-2. Furthermore, Oenothera Laciniata Extract offers anti-inflammatory benefits by suppressing the production of nitric oxide, prostaglandin E2, and key pro-inflammatory cytokines, and contributes to anti-aging by promoting procollagen synthesis and inhibiting matrix metalloproteinases in human dermal fibroblasts.
Research
Clinical Evidence
High confidenceN/A
Key findings
- 01 In melan-a cells, a 50 µg/mL concentration significantly reduced melanin content by 35.5% and inhibited intracellular tyrosinase activity by 22.6%. This was accompanied by a notable decrease in mRNA expression for tyrosinase, TRP-1, TRP-2, and MITF-M, ranging from 57.1% to 99.0%.
- 02 In B16-F10 melanoma cells, Oenothera Laciniata Extract at concentrations from 10-50 µg/mL significantly reduced cellular melanin production in a concentration-dependent manner.
- 03 No significant cytotoxicity was observed in B16-F10 melanoma or skin fibroblast cells at concentrations up to 50 µg/mL.
Transparency
Dusting Analysis
The Formula
Formulation
Stability
The extract demonstrates solubility in both water and certain organic solvents, such as methanol, which have been used in research. For cosmetic formulations, green or solvent-free extraction methods are recommended over traditional organic solvents to minimize potential toxicity, although residual solvent levels would typically be low.
Safety
Safety Profile
In cellular assays, Oenothera Laciniata Extract exhibited no significant cytotoxicity towards B16-F10 melanoma or skin fibroblast cells at concentrations up to 50 µg/mL. While generally considered tolerable and non-allergenic, individuals with sensitivities to other plant-derived ingredients may experience mild irritation or itching.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Oenothera Laciniata Extract is a valuable ingredient, demonstrating precise anti-melanogenic activity, robust antioxidant capacity, and anti-inflammatory effects, alongside potential anti-aging benefits for comprehensive skin improvement.
Related
Similar Ingredients
Finding similar ingredients…
References
Sources