Q-switched Laser is the best treatment for acne scars that are Brown Spots called Post-Inflammatory Hyperpigmentation.
Other types of Acne scars such as depressed scars (rolling scars is a type of depressed scar) and hypertrophic scars are better treated with subcision, fractional ablative/non-ablative lasers, fractional RF.
Yes, Q-switched Laser can be combined with other treatments if you have multiple types of acne scars. In fact, Acne scar treatments should be specific and customised for each type of acne scar.
In general, a single session of acne scar treatment can range from $300 to $800.
For specific details, check out this Guide on Acne Scar Treatment Costs in Singapore.
I suggest that you consult a doctor who offers a comprehensive range of acne scar treatments.
Hope that this helps!
Warmest regards,
Dr Justin Boey
