For centuries, daikon radish has been revered for its nutritional and cultural significance. Indeed, the annual Daikon Radish Festival (called Daikon Daki in Kyoto) is a testament to this reverence.
In 2011, Natural Plant Products (NPP) developed and introduced Daikon Radish Oil. Daikon Radish Oil is a fully-refined, unique vegetable oil derived from the seeds of Raphanus sativus grown in the Willamette Valley of Oregon, US, and is an ideal choice for use in personal care formulations. In primary market research, Daikon Radish Oil has been noted to have some of the same tactile properties as some silicones. While this is not necessarily a direct replacement for silicones, it is a very interesting alternative for formulators to consider when looking for natural ingredients. Daikon radish is a spring planted crop that grows well on a wide range of soil types. This helps NPP’s farmers maintain field quality. However, the most important factor is that Daikon Radish Oil has the potential to be a highly useful ingredient in the personal care industry. Composed of an atypical mixture of C18, C20, and C22 fatty acids, Daikon Radish Oil offers a new chemistry to formulators. It has virtually no colour or odour, and a silky, delicate skin feel. With more in-depth studies on the properties of Daikon Radish Oil it is hoped that the viability of the ingredient will become more widely known to formulators globally. In line with this objective, NPP contracted independent hair testing to evaluate Daikon Radish Oil’s dry combing, repeated grooming (strengthening), and technical shine properties relative to other emollients: clear jojoba oil, olive oil, 1000 cps dimethicone, and 350 cps dimethicone. Given the positive results, NPP contracted further testing with higher viscosity silicones. The objective of this follow-up was to learn more about Daikon Radish Oil’s performance versus these silicones. Testing was performed using the same test methods and criteria on Daikon Radish Oil (now referred to as ‘DRO’), diphenylsiloxy phenyl trimethicone, 12,500 cps dimethicone, and 60,000 cps dimethicone. The methods and results of these studies follow.
Materials and methods
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