How to treat fresh fingernail scratches to prevent any scarring? I've used hydrogen peroxide, Neosporin and A&D Ointment.

I have some deep scratches on my forearm from fingernails. I initially poured hydrogen peroxide right before I cleaned it. I have read that is not used anymore but refused less I used it once and never again. I have been using neosporine and a&d ointment and have been covering them. I want to know what to use after. Silicone sheets, mederma etc? And will my scratches be okay from the initial use of the peroxide? Thank you.

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