Derived from brown algae, a species of plant that can survive in the harshest UV conditions, Heliogard 365 offers excellent UV screening to help guard skin against photoaging and sun damage. A natural UVA protector, it helps combat premature aging caused by the sun, and acts as a natural SPF booster which can increase the SPF properties of organic SPF ingredients, a combination which offers optimum protection in a lightweight formulation.