What Is Brassica Campestris/Aleurites Fordi Oil Copolymer?
Brassica Campestris/Aleurites Fordi Oil Copolymer is a plant-derived ingredient created by joining rapeseed oil (from the Brassica campestris plant) with tung oil (from the Aleurites fordi tree). Through a controlled heating process called polymerization, the fatty acids in these two oils are linked together, forming a larger, more stable molecule that behaves like a soft, flexible film when applied to skin. The use of natural oils in protective coatings dates back centuries, yet it was only in the late twentieth century that formulators began adapting this technology for beauty products, recognizing its ability to lock in moisture without feeling greasy. Today the copolymer is produced in specialized facilities where the raw oils are purified, polymerized, then refined into a smooth, pourable ingredient ready for cosmetic labs. You will most often spot it in leave-on products such as facial moisturizers, overnight masks, rich hand creams, anti-aging serums and hair-smoothing treatments where a breathable seal and a boost of softness are desirable.
Brassica Campestris/Aleurites Fordi Oil Copolymer’s Cosmetic Benefits/Uses
This plant-based copolymer supports both the feel and performance of modern skin care formulas.
- Film forming: Creates a lightweight, flexible layer on the surface of skin or hair that slows water loss, protects against environmental stress and helps other active ingredients stay in place longer.
- Skin conditioning: Smooths and softens the skin’s texture, leaving it feeling supple and comfortable while adding a subtle, healthy-looking sheen.
Who Can Use Brassica Campestris/Aleurites Fordi Oil Copolymer
This ingredient is generally suitable for all skin types. Dry and normal skin appreciate its ability to slow moisture loss, while combination and mildly oily skin usually find the film it creates light enough to avoid a greasy feel. Very oily or acne-prone individuals who struggle with any kind of occlusive layer may prefer to use it sparingly or choose products where the copolymer sits lower on the ingredient list, as heavier doses can feel too rich for them.
Because it is made entirely from plant oils it is appropriate for vegans and vegetarians. No animal-derived substances or by-products are involved in its production process.
Current data shows no specific safety flags for those who are pregnant or breastfeeding when the copolymer is used topically in cosmetics. This is not medical advice and anyone who is expecting or nursing should show the full product label to their physician before adding it to a routine just to be safe.
The material itself is not known to cause photosensitivity, so it will not make skin more prone to sunburn. Normal daily sun protection is still advised whenever you are exposed to daylight.
Potential Side Effects/Adverse Reactions
Reactions to Brassica Campestris/Aleurites Fordi Oil Copolymer differ from person to person. The points below list potential issues that could occur, though most users will not notice any problems when the ingredient is formulated and used correctly.
- Mild redness or itching in individuals sensitive to rapeseed or tung derivatives
- Transient clogged pores or blemishes in very oily skin types if the product is heavily occlusive
- Contact dermatitis if applied to broken or compromised skin in rare cases
- Eye irritation if the product accidentally gets into the eyes
If you notice any discomfort, discontinue use and consult a healthcare professional
Comedogenic Rating
Rating: 2/5
This copolymer forms a light breathable film that is less prone to sitting deep in pores than raw plant oils, yet it still carries a mild occlusive nature inherited from rapeseed and tung oils. Most people will not break out, but very oily or congestion-prone skin could notice the occasional clog if the formula is rich or layered with other heavy ingredients. Overall it is considered low to moderate on the pore-clogging scale.
Suitable for acne-prone users in lightweight products or lower concentrations, but those who break out easily may prefer to monitor how their skin responds.
The full product recipe, how often you apply it and how thoroughly you cleanse at night all influence whether any ingredient ends up causing blemishes.
Summary
Brassica Campestris/Aleurites Fordi Oil Copolymer is prized for two key talents: it builds a soft, flexible film that slows water loss and it conditions skin for a smooth comfortable feel. The polymerized structure makes it more stable than the original oils while still delivering a natural silky touch. Because of this balance between performance and a light skin feel, formulators sometimes use it as a plant-based alternative to silicones, though it remains a niche ingredient rather than a mainstream staple.
Current research and cosmetic use show it to be low risk for irritation, allergies or long-term safety concerns. As with any new skincare addition it is wise to do a quick patch test before full use to be sure your skin agrees with the product.