Appreciated in both the culinary and cosmetic fields, soybean oil is recognized for its nourishing and antioxidant properties. However, like any vegetable oil, it has a comedogenicity index that determines whether its use is suitable or not for combination and oily skin types. Is soybean oil comedogenic or not? We clarify this in this article.
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Is soybean oil comedogenic?
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Published January 29, 2024,
updated on October 4, 2024,
by
Pauline, Head of Scientific Communication
—
3 min read
Comedogenic Oil: What is it?
An oil is referred to as "comedogenic" when it is likely to clog the pores of the skin, thereby promoting the appearance of comedones, or whiteheads. The comedogenicity of an ingredient determines its occlusive potential and is evaluated on a scale of 0 to 5. A score of 0 means that the ingredient is not comedogenic, while a score of 5 means there is a high probability it will cause comedones. Generally, it is preferable not to exceed a comedogenicity index of 2 for oily skin types, which are often prone to imperfections.
The determination of an ingredient's comedogenicity is made by evaluating several criteria, such as its sensitivity to oxidation, its rate of skin penetration and its quality. Indeed, an oil extracted by cold pressing generally has a lower comedogenicity index.
Good to know: Just because a product contains a comedogenic active ingredient does not mean its application will lead to the appearance of imperfections. This also depends on its concentration in the skincare product and the skin type of the person using the product.
Soybean Oil: What is its Comedogenic Rating?
Soybean oil has a comedogenicity index of 2, which makes it slightly comedogenic. Thus, individuals with oily or acne-prone skin can use it, provided they do so sparingly. Applying 2 to 3 drops to the entire face is more than enough to enjoy the hydrating and nourishing benefits of the soybean oil without exacerbating skin problems.
However, as mentioned earlier, it's important to note that the comedogenicity of an ingredient also depends on its quality. Therefore, we recommend that you ensure the soybean oil you wish to use has been obtained through cold pressing and that it is stored away from light in a tightly sealed bottle.
Sources
MURTAZA G. & al. Dermatological and cosmeceutical benefits of Glycine max (soybean) and its active components. Acta Polonia Pharmaceutica (2015).
SKOTNICKA-GRACA U. & al. Possibilities of using vegetable oils in acne skin care. Aesthetic Cosmetology and Medicine (2022).
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