I have scars from self harming a year ago, and now I'm getting really insecure about them. Can they be removed? (Photo)

Iv been recommended by pharmacist to use silicon sheet but they are quiet expensive and Iv already started using Bio-oil. Iv seen videos on YouTube of using Vaseline and also vitamin e oil and baking soda. I know that it takes times but is there a way to completely remove them ?

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