Acne scarring removal?

Hi there I have acne scarring , 20 years worth of scarring! Want the best possible way to COMPLETELY REMOVE THE SCARS!! I've seen a lady suggesting fractional something , she mentioned 12 sessions , more than 3000 Aud! She also mentioned NO GUARANTEES, like who would of wanted to pay that much without a guarantee? Way too expensive! Can anyone please suggest the BEST WAY for a clear non scarred skin! Thanking you in advance

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