Complex sentence: Despite that, agents such as suntan lotions, perspiration and car exhausts can eat away at the powder coating that protects it although aluminium does not rust if the protective coating is compromised it will corrode and cannot usually be salvaged.
Split into simpler sentences: Despite that, agents such as suntan lotions, perspiration and car exhaust can eat away at the powder coating that protects it, although aluminum does not rust. If the protective coating is compromised it will corrode and cannot usually be salvaged.