Each Lifesystems Active sun cream is waterproof, so can be worn in the sea without wearing off quickly. Aside from concerns about being sunburnt, being stung by jellyfish is one of the most painful experiences when spending time in the sea. Lifesystems have developed a jellyfish repellent formula and it is included it in this range of active sun creams.This range of sun creams is ideal for travel and low level outdoor use. The formulation of this range of sun screens ensures broad spectrum protection against UVA & UVB rays. The range includes SPF 15 (200ML), 25 (200ML) and 40 (100ML).