Hi Greetings. Laser acne scar treatment is a permanent , safe n very effective way of treating acne scars. You might notice slight redness after the procedure, which may last for 3-6 days depending on your skin, sun-protection used and the type of laser machine. For further query you can contact me on follow up messages. Regards, Dr Anshul Jain.
Visit a qualified dermatologist near you. He/She will be the best to guide you regarding expenditure and prescribing sunscreen suitable for your skin type and tecture.