Description

Rosa rugosa seed oil is derived from the seeds of the Rosa rugosa plant, commonly known as rugosa rose or wrinkled rose. This oil is valued for its rich content of essential fatty acids and antioxidants, making it a sought-after ingredient in cosmetic and skincare products.

Chemical Composition and Structure:

Essential Fatty Acids: The oil is rich in essential fatty acids, particularly linoleic acid (Omega-6) and alpha-linolenic acid (Omega-3), which are crucial for maintaining skin hydration and elasticity.
Antioxidants: Contains compounds such as Vitamin E (tocopherols) and carotenoids, which help protect the skin from oxidative stress and environmental damage.
Phytosterols: Includes sterols like beta-sitosterol, which can contribute to skin repair and anti-inflammatory effects.
Other Components: May contain trace amounts of flavonoids and squalene, which further enhance its skin-nourishing properties.

Physical Properties:

Appearance: Typically a clear to slightly amber oil, with a smooth and lightweight texture.
Odor: Has a mild, natural fragrance that is often described as slightly nutty or earthy, which is characteristic of seed oils.
Texture: The oil is non-greasy and absorbs well into the skin, leaving it soft and hydrated.

Production Process:

Cultivation: Rosa rugosa plants are grown in well-drained soil with ample sunlight. The seeds are collected once the fruit (rose hips) has matured.
Harvesting: Seeds are extracted from the mature rose hips through a process that typically involves drying and then mechanically separating the seeds from the fruit pulp.
Extraction: The seeds are processed to extract the oil, usually through cold pressing. This method preserves the integrity of the essential fatty acids and antioxidants.
Refinement: The oil may be filtered to remove impurities, but it is often minimally processed to retain its natural properties.

Applications:

Cosmetics: Used in skincare products such as creams, serums, and lotions for its moisturizing and anti-aging benefits. It helps to improve skin texture and reduce the appearance of fine lines and wrinkles.
Hair Care: Incorporated into hair conditioners and treatments to enhance shine and manageability, and to nourish and repair damaged hair.
Personal Care Products: Found in various personal care items like body oils and massage oils for its emollient properties.

Environmental and Safety Considerations:

Environmental Impact: Rosa rugosa is generally considered environmentally friendly to cultivate. Sustainable practices should be employed to ensure minimal impact on local ecosystems and biodiversity.
Safety: Rosa rugosa seed oil is considered safe for topical use in cosmetics and personal care products. However, as with all plant-based ingredients, individual reactions such as intolerance or allergy cannot be completely ruled out.

INCI:


Skin conditioning agent - Emollient. Emollients have the characteristic of enhancing the skin barrier through a source of exogenous lipids that adhere to the skin, improving barrier properties by filling gaps in intercorneocyte clusters to improve hydration while protecting against inflammation. In practice, they have the ability to create a barrier that prevents transepidermal water loss. Emollients are described as degreasing or refreshing additives that improve the lipid content of the upper layers of the skin by preventing degreasing and drying of the skin. The problem with emollients is that many have a strong lipophilic character and are identified as occlusive ingredients; they are oily and fatty materials that remain on the skin surface and reduce transepidermal water loss. In cosmetics, emollients and moisturisers are often considered synonymous with humectants and occlusives.
Synonyms:

CAS: 92347-25-6 EC number 296-231-3