Figure 6. Comparison of EHMC with octocrylene to photostabilize the difficult combination of avobenzone and OMC after 25 MED

With 3% ethylhexyl methoxycrylene (3% OC), the film retained 83.7% (53.9%) of its UVA absorbance after 25 MED. With 5% ethylhexyl methoxycrylene (5% OC) the thin film retained 89.8% (63.7%) of its UVA absorbance.