Indian Journal of Dermatology
  Publication of IADVL, WB
  Official organ of AADV
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Year : 1999  |  Volume : 44  |  Issue : 1  |  Page : 6

Absorption Spectrum Of Soaps And Oils : Determination and Its Significance



Correspondence Address:
C.R Srinivas


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Post inflammatory hyper pigmentation following photo toxic reaction due to cosmetics may account for pigmentation in some cases. The objective was to determine the absorption spectrum of commonly used soaps and hair oils available in Indian marker. By using UV-visible absorption spectrophotometer, the absorption spectrum of soaps and hair oils were determined. The mean absorption spectrum was 218 nm. Since none of the commonly used soaps and hair oils showed significant absorption in the range of 290-400 nm, we conclude that products tested are not responsible for photo toxic reaction or photo toxicity induced hyper pigmentation.


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