Thanks for the query.There are different ways to achieve a flawless skin after acne and it needs medical interventions. Acne treatment has multiple stages - to control new breakouts, to clear the sequelae (pigmentation and scars) and to prevent a relapse.
Stretch marks are amenable to different therapeutic modalities with different success rates. Fraxel lasers offers most desirable results and have a downtime of 1-2 weeks. Other modalities include dermaroller,mesotherapy and platelet rich plasma therapy. Certain topical also assist these treatments.
Next Steps
Meet a Dermatologist for better and realistic understanding of the various procedures
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