Which one is more grammatically correct?

Please remove your shoes.

-or-

Please, remove your shoes.

Both are correct. The second places the emphasis on "please."

Both sentences are grammatically correct, but they convey slightly different nuances.

"Please remove your shoes" is a direct command or request. It is concise and to the point.

"Please, remove your shoes" uses a comma to add a slight pause before the command or request. This can indicate politeness or a more gentle tone.

In most situations, both forms are acceptable. The choice may depend on the specific context or the speaker's personal preference.

Both sentences are grammatically correct, but they have slightly different meanings and purposes.

The sentence "Please remove your shoes" is a direct request or instruction, where the speaker is politely asking someone to take off their shoes without any additional emphasis. It is a straightforward and concise statement.

On the other hand, the sentence "Please, remove your shoes" includes a comma after the word "please." Here, the comma serves to create a slight pause or emphasis on the word "please." This form may be used when the speaker wants to add more emphasis to their request or is perhaps expressing a stronger sense of urgency or insistence. The added comma adds a slight emphasis to the request for the person to remove their shoes.

So, the choice depends on the specific intent or tone of the request. If you want to make a simple, polite request, you could use "Please remove your shoes." If you want to add more emphasis or urgency to the request, you could use "Please, remove your shoes."