Ms. Adeesha Vanderwall Profile

Adeesha Vanderwall

at 2330 N Oliver St Apt #801

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Proceedings Article | 17 April 2017 Paper

Encapsulation of natural ingredient for skin protection via nanoemulsion process

Eylem Asmatulu, Aybala Usta, Naif Alzahrani, Vinay Patil, Adeesha Vanderwall

Proceedings Volume 10167, 1016721 (2017) https://doi.org/10.1117/12.2267853

KEYWORDS: Skin, Ultraviolet radiation, Sun, Sodium, Scanning electron microscopy, Dynamic light scattering, UV-Vis spectroscopy, Particles, Absorbance, Radiation effects, Nanotechnology

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Many of the sunscreens are used during the hot summer time to protect the skin surface. However, some of ingredients in the sunscreens, such as oxybenzone, retinyl palmitate and synthetic fragrances including parabens, phthalates and synthetic musk may disrupt the cells on the skin and create harmful effects to human body. Natural oils may be considered for substitution of harmful ingredients in sunscreens. Many natural oils (e.g., macadamia oil, sesame oil, almond oil and olive oil) have UV protective property and on top of that they have natural essences. Among the natural oils, olive oil has a long history of being used as a home remedy for skincare. Olive oil is used or substituted for cleanser, moisturizer, antibacterial agent and massage reliever for muscle fatigue. It is known that sun protection factor (SPF) of olive oil is around eight. There has been relatively little scientific work performed on the effect of olive oil on the skin as sunscreen. With nanoencapsulation technique, UV light protection of the olive oil can be extended which will provide better coverage for the skin throughout the day. In the present study, natural olive oil was incorporated with DI water and surfactant (sodium dodecyl sulfate - SDS) and sonicated using probe sonicators. Sonication time, and concentrations of olive oil, DI water and surfactant were investigated in detail. The produced nanoemulsions were characterized using dynamic light scattering, and UV-Vis spectroscopy. It is believed that the nanoencupsulation of olive oil could provide better skin protection by slow releasing and deeper penetration of the nanoemulsion on skin surface. Undergraduate engineering students were involved in the project and observed all the process during the laboratory studies, as well as data collection, analysis and presentation. This experience based learning will likely enhance the students’ skills and interest in the scientific and engineering studies.

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