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Moumoujus

ROSA RUBIGINOSA SEED OIL.

Valuable CAS - / SKIN CONDITIONING - EMOLLIENT

Rosa rubiginosa seed oil is a nutrient-dense botanical extract, highly prized for its skin-regenerating and deeply moisturizing properties. Rich in essential fatty acids and natural trans-retinoic acid, it effectively supports tissue repair, diminishes the appearance of wrinkles, and helps normalize skin texture.

Summary

Nourishing Moisturizing Anti-aging Antioxidant Anti-inflammatory Tissue Regenerating Helps Acne Normalizes Pore Size Improves Skin Texture Enhances Skin Barrier Function Promotes Wound Healing Supports Cell Regeneration Repairs Photodamage

Science

Mechanism of Action

The efficacy of Rosa rubiginosa seed oil stems from its complex composition. It contains a significant concentration of essential fatty acids, including linoleic acid (approximately 44-54%), linolenic acid (around 19-35%), and oleic acid (about 14-17%), which are crucial for maintaining skin barrier integrity and delivering deep hydration. A key bioactive component is trans-retinoic acid (tretinoin), present at approximately 0.357%, which actively promotes collagen synthesis, accelerates cell turnover for tissue regeneration, visibly reduces fine lines, assists in managing acne, and refines pore size. Furthermore, its antioxidant profile, featuring vitamins A, C, E, carotenoids, tocopherols, and phenolic acids, provides robust protection against oxidative stress and environmental damage, while anti-inflammatory compounds soothe irritated skin and support wound healing processes.

Research

Clinical Evidence

High confidence
Effective range N/A
Optimal

N/A

Key findings

  1. 01 Cold-pressed Rosa rubiginosa seed oil has been analyzed to contain approximately 0.357% (0.357 ml/l) of trans-retinoic acid (tretinoin). This naturally occurring retinoid is associated with restoring and regenerating skin tissues, decreasing the appearance of wrinkles, helping to manage acne, and normalizing pore size.
  2. 02 In an in vitro study, Rosa rubiginosa fixed oil demonstrated non-toxic properties and significantly reduced LPS (lipopolysaccharide) induced nitrite production by 18.75%, indicating notable anti-inflammatory activity.

Transparency

Dusting Analysis

Not commonly dusted

Rosa rubiginosa seed oil is a well-established botanical ingredient with broad benefits derived from its complex natural composition, rather than a single high-concentration active, and is not typically considered a 'dusted' ingredient.

The Formula

Formulation

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

This oil is highly susceptible to oxidation, thus requiring careful storage to maintain its integrity and efficacy. Cold-pressed variants are recommended to preserve higher levels of beneficial compounds, including trans-retinoic acid. For formulations such as emulsifications, integrating Rosa rubiginosa seed oil into the hot oil phase alongside a suitable antioxidant is advised to extend shelf life and enhance stability. Note that Rosehip CO2 Extract offers superior stability with an approximate 18-month shelf life.

Synergies

  • Antioxidants (e.g., Vitamin E) to enhance stability and prevent oxidation.

Conflicts

  • May not be suitable for individuals prone to fungal acne due to its rich fatty acid profile.

Safety

Safety Profile

CIR Status
Not reviewed
Sensitization risk Low

Generally regarded as safe for cosmetic applications due to its natural, non-toxic profile, confirmed by in vitro studies showing non-toxicity up to 1.00 mg/mL. However, a patch test is recommended for individuals with known allergies to roses or related plant species to preemptively identify potential sensitivities. CIR reports found pertain to Rosa canina-derived ingredients, not specifically Rosa rubiginosa seed oil.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

Rosa rubiginosa seed oil is a valuable ingredient, delivering comprehensive skin benefits including regeneration, deep hydration, and anti-inflammatory action, making it suitable for a wide range of skin concerns.

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