Christian Springob

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The UVA protection delivered by sunscreens is an issue of increasing importance due to the increasing knowledge about UVA-induced skin damage. In Europe there is no officially accepted method available to determine the degree of UVA protection. Therefore, the objective of the present study was to design a protocol combining the merits of an in vitro model,(More)
Aim of this study was to determine the influence of commercially available antioxidants on sun protection properties of hair care products. To evaluate changes of human hair L*a*b-color measurements, tensile strength measurements and high pressure dynamic scanning calorimetry (HPDSC) measurements were carried out. To have a measure for the concentration of(More)
By applying differential scanning calorimetry (DSC) on human hair in water, the thermal stability of hair' major morphological components is determined. Against the background of the two-phase model for alpha-keratins, these components are identified as the partially helical, fibrous intermediate filaments (IF) and the intermediate filament(More)
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