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Moumoujus

RUBUS IDAEUS SEED.

Valuable CAS 84929-76-0 / ABRASIVE

Rubus idaeus seed oil, also known as raspberry seed oil, is a versatile skincare ingredient celebrated for its emollient, antioxidant, and barrier-supporting properties. It delivers significant hydration and soothing benefits, making it suitable for a broad spectrum of skin types without clogging pores.

Summary

Emollient Antioxidant Skin-Conditioning Agent Barrier Support Anti-inflammatory

Science

Mechanism of Action

This oil primarily functions by reinforcing the skin's lipid barrier. Its high concentration of linoleic and alpha-linolenic acids integrates into intercellular lipid bilayers, which is essential for facilitating ceramide synthesis, restoring cellular cohesion, and preventing transepidermal water loss (TEWL). As a potent antioxidant, it contains tocopherols (Vitamin E) and polyphenols that effectively neutralize free radicals, thereby mitigating oxidative stress and protecting skin lipids from damage induced by UV radiation and environmental pollution. Additionally, its alpha-linolenic acid and phytosterols impart natural anti-inflammatory effects, modulating inflammatory pathways to soothe conditions such as eczema, rosacea, and psoriasis. The oil provides deep hydration, enhancing moisture retention and elasticity, promoting a moisturized and youthful skin appearance.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Key findings

  1. 01 A 2021 study observed an in vivo SPF of 2.6 for Rubus idaeus seed oil. This indicates minimal UV protection when used alone and should not be considered an adequate substitute for broad-spectrum sunscreen.

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Oil
Optimal pH 5 – 7
0 7 14

Stability

Rubus idaeus seed oil exhibits good stability against auto-oxidation but is susceptible to general oxidation. For optimal preservation, store in a cool, dry place, shielded from light, and with limited oxygen contact, ideally below 20°C (68°F). The inclusion of Vitamin E can prolong its shelf life, while oil clarification processes may reduce its oxidative stability.

Synergies

  • Vitamin E (as an antioxidant for enhanced stability)

Conflicts

  • concentrated acids
  • strong alkalis
  • oxidizing agents
  • high heat
  • open flame
  • sources of ignition

Safety

Safety Profile

CIR Status
Insufficient data
Sensitization risk Low

Generally regarded as non-toxic and safe for use in cosmetics, Rubus idaeus seed oil is well-tolerated by most skin types. Allergic reactions are rare; however, patch testing is advised for individuals with known allergies to raspberries or related plants. The CIR Expert Panel, in a review of plant-derived fatty acid oils, noted 'insufficient data' for certain ingredients, indicating they would be considered 'safe as used' upon provision of chemical composition data. It is not an FDA-approved sunscreen filter.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

Rubus idaeus seed oil is a valuable ingredient, recognized for its potent antioxidant capacity, ability to reinforce the skin barrier, and its soothing anti-inflammatory effects, offering broad compatibility with minimal irritation risk.

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