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Rosehip Seed Oil

Rosehip BushRosehip Seed Oil is renowned for its outstanding skin regeneration properties and for toning down scar tissue.

The rosehip (Rosa aff. rubiginosa) is found in South America, in particular in Peru, Chile and Argentina. It belongs to the Rosaceae family, subfamily Rosoideae genus Rosa. The oil obtained from the seeds has a high content of non-saturated fatty acids, like oleic, linoleic and linolenic acid. Due to its physical and chemical characteristics, as well as its behaviour, it is considered a siccative oil. It is commercially obtained by extraction with organic solvents and purified by winterization, in order to eliminate the triglycerides of higher saturation. Stabilizers are added for avoiding rancidness.

Besides non-saturated fatty acids, the presence of carotenoids, flavonoids, vitamin C, o ketonic compound (namely 3-penten-propyl-ketone) and, recently, trans-retinoic acid has been detected. The latter could be responsible for some of the pharmacological and therapeutic properties of Rosehip Seed Oil.

Among dermatological studies:

  • Application on aged skin
    On some skin troubles like superficial wrinkles, chestnut spots and ephelides, good results have been obtained. After 16 weeks of treatment, wrinkles disappeared and spots become imperceptible.
     
  • Application effect study
    After three months of two applications a day, scars were less marked, they had no crests, skin elasticity was increased and the zone colour looked better.
     
  • Depigmentor effect study
    A certain depigmentor effect of pure Rosehip Seed Oil has been observed. After 120 hours of application under normal atmosphere and absence of light, a diminution of 18% of the Dopamelamine concentration was detected.
     

Technical Specifications

Appearance
Appearance Transparent, yellow-reddish liquid
Odour Characteristic
Typical analysis
Iodine value WIJS 179
Unsaponificable matter 0.75%
Acidity 0.08 KOH mg/100g
Peroxide value 0.3 meqO2/Kg
Specific weight 20°C
Refraction index 20°C
Saponification index 185 KOH mg/g
Major components -
Average composition of fatty acids (%)
Linoleic acid (C18:2) 45.5%
Linolenic acid (C18:3) 33.4%
Oleic acid (C18:1) 15.4%
Palmitic acid (C16) 3.8%
Stearic acid (C18:0) 1.9%

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