the new hydro lotion spf50 isdin is a revolutionary sunscreen for body use that protects and oxygenates the skin exposed to the sun.The new Hydro Lotion SPF50 Isdin is a revolutionary sunscreen for body use that protects and oxygenates the skin exposed to the Sun. Its advanced two-phase formulation offers a double action: protects a very high UVB / UVA protection, while it oxygenates and re-energizes the skin of the stress produced by the Sun thanks to the Sepitonic.