What did Benjamin green invent in 1944 to protect soldiers?

In 1944, Benjamin Green invented the first sunscreen, known as "Green's sunburn Cream," to protect soldiers from the harmful effects of sun exposure during World War II. This formulation aimed to prevent sunburn and skin damage, particularly for troops stationed in sunny, tropical environments. Green's invention laid the groundwork for modern sunscreen products, which are now widely used for skin protection against UV radiation.