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Moumoujus

RUBUS DELICIOSUS FRUIT JUICE.

Valuable / ASTRINGENT, SKIN CONDITIONING

Rubus Deliciosus Fruit Juice is a multifaceted botanical ingredient celebrated for its potent antioxidant and anti-inflammatory properties. This juice, rich in skin-beneficial compounds, actively works to protect, soothe, and rejuvenate the complexion, supporting overall skin health and resilience across various skin types.

Summary

Antioxidant Anti-Ageing Soothing Hydrating Barrier support Brightening Collagen stimulation Exfoliant Astringent UVB defense

Science

Mechanism of Action

This ingredient functions primarily through its rich content of antioxidants, including polyphenols (such as anthocyanins and ellagitannins), Vitamin C, Vitamin E, beta-carotene, glutathione, quercetin, and ellagic acid. These compounds collectively neutralize free radicals and mitigate oxidative stress. Its anti-inflammatory action is evidenced by its ability to inhibit key pro-inflammatory genes like IL-6, IL-1β, TNF-α, and NF-κB. Furthermore, it aids in skin hydration and barrier function due to its fatty acid profile. Vitamin C content promotes skin brightening and stimulates collagen synthesis, contributing to improved firmness and elasticity. Fruit acids offer mild enzymatic exfoliation, while tannins provide an astringent effect, leading to a smoother texture. Lastly, it assists the skin's natural defense against damage from UVB light.

Research

Clinical Evidence

Medium confidence
Effective range N/A
Optimal

N/A

Key findings

  1. 01 In macrophage cell cultures, a 1 mg/mL concentration of Rubus idaeus fruit extract demonstrated strong anti-inflammatory effects, inhibiting pro-inflammatory gene expression (IL-6, IL-1β, TNF-α, NF-κB) by 74% to 99%.
  2. 02 Rubus idaeus extract, at 25 mg/L in pre-treatment, reduced reactive oxygen and nitrogen species (RONS) production in keratinocytes by 50% and decreased UVB-induced IL-6 production. Post-treatment concentrations of 10 mg/L and 25 mg/L also showed positive effects.
  3. 03 Topical application of Rubus idaeus (red raspberry) extract has been shown to enhance the skin's defense mechanisms in the presence of UVB light.

Transparency

Dusting Analysis

Not commonly dusted

This ingredient is typically formulated as an extract or juice, not a powder, so 'dusting' is not a relevant concern for topical formulations.

The Formula

Formulation

Solubility
Water
Optimal pH N/A
0 7 14

Stability

The optimal pH range for stability in cosmetic formulations is not specifically reported for Rubus deliciosus fruit juice. Raspberry fruit juice typically exhibits an acidic pH (e.g., pH 1.5 in some processing contexts). Fruit extracts containing anthocyanins, such as this one, are generally pH-sensitive, and storage of raw fruit is recommended at low temperatures to maintain stability.

Safety

Safety Profile

CIR Status
Not reviewed
Sensitization risk Low

Specific safety assessments by regulatory bodies such as CIR, SCCS, or FDA for Rubus deliciosus fruit juice or Rubus idaeus fruit extract are currently unavailable. While generally considered gentle, non-irritating, and non-comedogenic for most skin types, its natural tannin content may cause localized irritation in individuals with very sensitive skin. A patch test is recommended for those with extreme sensitivity or known berry allergies prior to widespread use.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Low
Comedogenicity Low

Our Assessment

Verdict

Valuable

Rubus deliciosus fruit juice is a valuable multifunctional ingredient, offering robust antioxidant and anti-inflammatory protection, alongside hydrating, brightening, and mild exfoliating properties suitable for all skin types.

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