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PRUNUS INSITITIA SEED OIL.

Valuable / SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT

Prunus Insititia Seed Oil, commonly known as Plum Kernel Oil, is a botanical extract rich in essential fatty acids and powerful antioxidants. It provides deep hydration, improves skin elasticity, and shields against environmental stressors, making it a versatile asset for comprehensive skincare formulations.

Emollient Antioxidant Moisturizer Skin-conditioning

Science

This oil functions as a multi-faceted skin conditioner. Its high content of essential fatty acids, including oleic (omega-9), linoleic (omega-6), and palmitic acids, delivers profound hydration and nourishment, which in turn enhances skin elasticity. A significant concentration of antioxidant Vitamin E (tocopherol) aids in neutralizing free radicals from environmental aggressors like UV radiation and pollution, thereby mitigating premature aging and supporting cellular repair processes. Furthermore, it acts as an emollient, smoothing the skin's surface by filling intercellular gaps and forming a protective barrier that minimizes transepidermal water loss and defends against external irritants. The oil also offers anti-inflammatory benefits to calm redness, dryness, and itchiness, and can assist in balancing sebum production.


Research

High confidence
Effective range 1–10%
Optimal

N/A

Key findings

  1. 01 Research demonstrates that plum seed oil exhibits significant antioxidant activity, with an IC50 value reported as low as 4.35 mg/mL, a property attributed to its phenolic compound content. Comparative studies further highlight plum seed oil's superior antioxidant potency among various Prunus seed oils, consistently showing activity within the 20-35 mg/mL IC50 range and maintaining stability over time.
  2. 02 When applied topically, Prunus Insititia Seed Oil, typically at concentrations between 1% and 10%, is recognized for its ability to moisturize the skin and impart a noticeable shine to hair.

Transparency

Not commonly dusted

The Formula

Solubility
Oil
Optimal pH 3.43 – 4.63
0 7 14

Stability

Plum seed oils possess a natural acidity, with an inherent pH value typically ranging from 3.43 to 4.63. For optimal stability and to mitigate oxidation, this oil should be stored in a cool, dark environment, ideally in an amber bottle, protected from heat and direct light. For extended preservation post-opening, refrigeration and an inert gas overlay, such as argon, are recommended to maintain quality.


Safety

CIR Status
Not reviewed
Pregnancy
Safe
Sensitization risk Low

Prunus Insititia Seed Oil is generally regarded as safe for cosmetic applications, with no significant side effects or toxicity reports. It is noted for its non-irritating profile and is considered suitable for use by pregnant individuals and young children. However, due to its botanical origin, individuals with known seed or nut allergies should perform a patch test prior to widespread application. While this specific oil has not undergone a dedicated CIR review, other related Prunus oils (e.g., Prunus Amygdalus Dulcis Oil) have been affirmed as safe for topical use.


Your Skin

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

Our Assessment

Valuable

Prunus Insititia Seed Oil is a valuable, versatile ingredient, offering significant antioxidant protection, deep hydration, and skin barrier support across all skin types with a low risk of irritation.


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