Science
Mechanism of Action
This ingredient operates through a multifaceted mechanism. Its rich profile of polyphenols (including anthocyanins and ellagitannins), vitamin C, and ellagic acid provides robust antioxidant defense, effectively neutralizing free radicals and shielding skin from oxidative damage. Anti-inflammatory properties help to soothe and calm skin by downregulating inflammatory pathways (such as NF-κB, COX-2, IL-6, IL-1β, TNF-α, MAPK) and concurrently boosting beneficial anti-inflammatory cytokines like IL-10. Ellagic acid, alongside demonstrated tyrosinase inhibition, contributes to reducing hyperpigmentation and promoting a more even skin tone. Furthermore, vitamin C stimulates collagen synthesis, enhancing skin firmness and elasticity, while the ingredient's fatty acids support the skin's natural barrier function and hydration levels. Its proven elastase inhibitory effects suggest benefits for preserving skin's youthful structure.
Research
Clinical Evidence
Medium confidenceN/A
Key findings
- 01 General studies on berry fruit extracts indicate potent anti-inflammatory and antioxidant effects, reducing oxidative stress markers and downregulating inflammatory pathways (e.g., NF-κB, COX-2, IL-6, IL-1β, TNF-α, MAPK) while increasing IL-10. These studies also observed morphological improvements such as increased collagen, elastin, glycosaminoglycans, and proteoglycans, alongside reduced metalloproteinases, supporting enhanced wound healing and extracellular matrix production.
- 02 Specific extracts from Rubus idaeus L. fruits demonstrated significant inhibitory potency against tyrosinase, an enzyme involved in melanin synthesis, with an IC50 of 0.62 ± 0.03 mg, suggesting potential for skin brightening.
- 03 The same Rubus idaeus L. fruit extracts also showed strong inhibitory effects on elastase, an enzyme that degrades elastin, with an IC50 of 0.057 ± 0.009 mg, indicating potential anti-aging and firming benefits.
- 04 While not directly Hydrolyzed Raspberry Fruit, a study on proline DES raspberry seed extract at concentrations of 0.1%, 0.25%, and 0.5% in hand care cream resulted in increased dermatological compatibility, enhanced hydration (decreased TEWL), and improved antioxidant activity in a concentration-dependent manner.
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Raspberry fruit extracts contain anthocyanins, which are noted for reduced stability at neutral to slightly basic pH, potentially forming a colorless chalcone pseudobase. However, formulated creams incorporating Rubus idaeus L. fruit extract have demonstrated excellent compatibility and stability, maintaining stable pH values within a skin-compatible range of approximately 5.5 to 6 during stability assessments.
Safety
Safety Profile
Hydrolyzed Raspberry Fruit is currently 'Not rated' by major regulatory bodies or ingredient databases like CIR, Paula's Choice, or INCIDecoder. While non-hydrolyzed Rubus idaeus Fruit Extract is generally described as gentle, non-irritating, and non-comedogenic, cautions exist regarding a potential likelihood of irritation, inflammation, or dryness, particularly in individuals with berry allergies or sensitive skin, or when co-formulated with other problematic ingredients. A patch test is recommended for individuals with known sensitivities or allergies. Hydrolyzed plant proteins, in general, are considered safe by the FDA for food use.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Hydrolyzed Raspberry Fruit is a valuable multi-functional ingredient that leverages its rich antioxidant and anti-inflammatory profile to deliver benefits across brightening, anti-aging, hydration, and skin barrier support.
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