Gadusol-containing sunscreen formulations

A photoprotective composition comprising:

• a) a mixture of ingredients having a first sun protection factor (SPF) value when no photoprotective ingredient is included in the mixture;
• b) an amount of a photoprotective material that, when the photoprotective material is included in the ingredient mixture, the combination of the ingredient mixture and the photoprotective material comprises a second SPF value;
• and
• c) an amount of gadusol that, when the gadusol is included in the ingredient mixture, the combination of the ingredient mixture and the gadusol generates a composition comprising a third SPF value;
• wherein:
• i. the SPF value of the photoprotective composition is greater than the sum of the first, second, and third SPF values;
• and
• ii. the photoprotective composition has an increased UVB absorbance as compared to a composition comprising the ingredient mixture and the amount of the first photoprotective material.