找一把锅铲。 将适量乳液挤到锅铲上。 将锅铲轻轻地放到背后。 将乳液抹到背上。

I'm interested in that, but I only have a few mins. Can you give me at most the first 500 characters of a detailed explanation in English about that?
You can use a plastic or rubber spatula, and a wooden one will work too, but avoid a metal spatula. If you have multiple options, opt for whichever one has the longest handle.  You may not want to use a spatula that you frequently use to cook. If possible, buy one that you can designate for the purpose of applying lotion. It’s possible to get splinters from a wooden spatula, so be careful when using one. Keep the spatula as flat as you can when you squirt the lotion onto it so that you don’t dro