Earticle

초록

영어

In order to develop a new ultraviolet ray blocking material that will protect the skin from ultraviolet rays that are known to be the primary cause of skin aging and complement the weakness of existing ultraviolet ray scattering agents that had to be used in large amounts, the optical characteristics of titanium dioxide powder which is the major material of ultraviolet ray scattering agents relative to its shapes were analyzed and the correlations between the characteristics and the effect to block ultraviolet rays were examined. The optical characteristics of individual powder types of four different titanium dioxide products currently commercialized were analyzed. Then, W/O emulsions mixed with titanium dioxide in a 5% weight ratio were made and their in vitro SPF and PA values were measured. Among the four types of titanium dioxide with different shapes, ST-485 showed the highest UV Absorbance value in the area of ultraviolet rays followed by ST-455, ST-495 and P-25 in order of precedence and in the case of UV Reflectance values, ST-495 showed the highest value followed by P-25, ST485 and ST-455. In addition, it could be seen that when the UV Absorbance value of the powder was higher, the sun protection factor (SPF) value of the powder was also higher and that when the UV Reflectance value of the powder was higher, the protection grade of UVA (PA) of the powder was also higher.

목차

Abstract
 Ⅰ. 서론
 Ⅱ. 본론
  1. 실험재료 및 기기
  2. 실험 방법
 Ⅲ. 결과 및 고찰
  1. 이산화티탄 특성분석
  2. 이산화티탄 분체의 UV 흡수율과 UV 반사율
  3. 분체의 광학적 특성과 자외선차단지수와의 관계
  4. 이산화티탄 분체의 가시광선 투과율
 Ⅳ. 결론
 참고문헌

키워드

저자

• 조춘구 [ Zhoh, Choon-Koo | 숭실대학교 환경화학공학과 ] 교신담당저자
• 권혜진 [ Kwon, Hye-Jin | 서경대학교 미용예술학과 ]
• 안선례 [ Ahn, Sun-Rye | 서정대학 피부미용학과 ]

참고문헌

발행기관

간행물

표지보기 관심저널 등록

• 간행물명

  대한피부미용학회지 [Korean Journal of Aesthetics and Cosmetology]

• 간기

  격월간

• pISSN

  1738-4567

• 수록기간

  2003~2015

• 십진분류

  KDC 593 DDC 646