Ricinus Communis Seed Oil

Ricinus Communis Seed Oil, commonly known as Castor Oil, is a vegetable oil derived from the seeds of the castor bean plant. It is rich in ricinoleic acid, a unique fatty acid that contributes to its emollient and moisturizing properties. In cosmetics, it is primarily used to provide hydration and a smooth feel to the skin and hair.

BenefitGood 2.5 / 4

Hydration i2.8 / 4

Whether the ingredient helps increase the skin’s water content — humectants that attract water, ingredients that reduce water loss, or ones that make skin feel less dry.

Barrier support i2.5 / 4

Whether it supports the skin barrier — restoring lipids, reducing water loss, aiding barrier repair, or strengthening the skin’s protective function.

Soothing i1.5 / 4

Whether it can calm the skin — linked to less redness, irritation, discomfort, or visible reactivity.

Texture i1 / 4

Whether it can improve smoothness and surface texture — roughness, flaking, clogged pores, or unevenness. Exfoliating acids, retinoids, and smoothing moisturizers may score here.

RiskLow 1 / 4

Sensitization i1 / 4

Risk of allergic contact dermatitis or immune-based reactions. Fragrance allergens, preservatives, botanicals, and some dyes may score here.

Acne aggravation i0.5 / 4

Whether it may worsen breakouts — clogging pores, feeling heavy on acne-prone skin, or triggering comedones in some users.

Irritation i0.5 / 4

Risk of short-term irritation — stinging, burning, dryness, redness, or discomfort. Common for strong actives, acids, retinoids, fragrances, and harsh surfactants.

Rated by SpottyLabs' ingredient methodology, independent of brands.

What it helps with

• moisturizes skin
• conditions hair
• enhances shine

Things to watch

• potential for allergic reactions

Products with Ricinus Communis Seed Oil

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Frequently asked questions

Is Ricinus Communis Seed Oil good for dry skin?

Yes, Ricinus Communis Seed Oil is an excellent emollient that helps to lock moisture into the skin, making it beneficial for dry and dehydrated skin types.

Can Ricinus Communis Seed Oil help with hair growth?

While often marketed for hair growth, scientific evidence directly supporting this claim is limited. It can, however, improve hair conditioning and shine, which may contribute to healthier-looking hair.