Differin or Retinol For Blackheads and Whiteheads?

Hello doctors! :) Ive been to the dermatologist today to have a consultation but i wasn't able to clarify everything i wanted to make clear. My face is basically clear but with a LOT of blackheads on my nose and a LOT of whiteheads on my chin and cheeks. She said i had a normal skin type with a few papules. SHe prescribed me with Differin. A previous derma gave me retinol. Which is better than the two?

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