What is the SPF value of OMC?
According to the literature, concentration of 1% (w/w) of octyl methoxycinnamate (OMC) has been referred to offer an SPF of ca. 1.5. It is nevertheless expected that the loading of OMC into SLN increases the SPF by a synergistic effect, as SLN have already demonstrated scattering capacity.
What is the safest sunscreen to use?
If you are concerned about health effects, the safest choice is a so-called “mineral” or “physical” sunscreen with zinc oxide or titanium dioxide, dermatologists say. Those are the only sunscreen ingredients that the FDA says are “generally recognized as safe and effective.
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