Originally Posted by apkano
I usually just put a little WD-40 on a rag and give the struts a quick wipe!
Any heavier type of oil is likely to trap grit and dirt and drag it into the seals.
I was thinking about maybe using something similar such as engine oil.
I don't feel very confortable to use WD-40. I only use it to lossen stuck screws because ED-40 can clean and desolves rust, but I was told it also promote rusting.