What are the benefits of Castor Seed Oil for skin?

emollient, moisture retention, occlusive, high gloss, skin conditioning, hair conditioning, anti-inflammatory, wound healing support

What concentration of Castor Seed Oil is effective?

Typical effective concentrations of Castor Seed Oil are Typically 1-20% in leave-on formulations, up to 50-80% in lip products and hair oils.

What skin types is Castor Seed Oil suitable for?

Castor Seed Oil is suitable for dry, very dry, normal, sensitive, mature, hair and scalp care.

Castor Seed Oil — Skincare Ingredient Guide

Q: Can Castor Seed Oil cause skin irritation?

Castor Seed Oil has a low irritation risk. Castor oil has an irritancy rating of 0 on INCIDecoder and is well tolerated by most skin types. The CIR Expert Panel has assessed it as safe for cosmetic use. No EU CosIng Annex II or III restrictions apply. The toxic compound ricin is found only in the castor bean hull and is completely absent from the expressed seed oil.

Q: Is Castor Seed Oil safe to use during pregnancy?

Castor Seed Oil is rated "caution" for pregnancy use. Topical use of castor oil in cosmetic products is generally considered safe during pregnancy. However, oral ingestion of castor oil has been traditionally used to induce labour due to its stimulant laxative properties. As a precaution, avoid use near mucous membranes in late pregnancy. Consult a healthcare provider if concerned.

Q: Does Castor Seed Oil increase sun sensitivity?

Castor Seed Oil has a no sun sensitivity risk. Castor oil does not increase photosensitivity. No sun protection precautions are required.

Castor Seed Oil

INCI: Ricinus Communis Seed Oil

Ricinus Communis Seed Oil (castor oil) is a fixed oil obtained from the seeds of the castor plant (Ricinus communis, Euphorbiaceae). It is uniquely rich in ricinoleic acid (85-95%), a hydroxylated fatty acid with distinctive water-attracting properties not found in other plant oils. This gives castor oil both emollient and humectant characteristics. It has a thick, viscous consistency and produces a high-gloss finish, making it popular in lip products, moisturisers, and hair treatments.

Is Castor Seed Oil safe? Key considerations

Can Castor Seed Oil cause irritation?

Low Risk

Castor oil has an irritancy rating of 0 on INCIDecoder and is well tolerated by most skin types. The CIR Expert Panel has assessed it as safe for cosmetic use. No EU CosIng Annex II or III restrictions apply. The toxic compound ricin is found only in the castor bean hull and is completely absent from the expressed seed oil.

Does Castor Seed Oil increase sun sensitivity?

No Risk

Castor oil does not increase photosensitivity. No sun protection precautions are required.

Is Castor Seed Oil safe during pregnancy?

Caution

Topical use of castor oil in cosmetic products is generally considered safe during pregnancy. However, oral ingestion of castor oil has been traditionally used to induce labour due to its stimulant laxative properties. As a precaution, avoid use near mucous membranes in late pregnancy. Consult a healthcare provider if concerned.

How does Castor Seed Oil work?

Individuals with known castor bean allergy; very oily skin may find it too heavy for facial use should review the considerations above before use.