“I had my hair cut by a barber.” Is that sentence grammatical?

I had my hair cut by a barber.

Is that sentence grammatical?

Can we add the by-phrase "by a barber" to the construction subject + have + something + done?

Answer

I had my hair cut by a barber.

I had my hair cut.

Both examples are grammatical. The phrase by a barber can be implied.

Attribution
Source : Link , Question Author : user276873 , Answer Author : Seowjooheng Singapore