What's the best thing to use for red acne scars?

[Bilman]

Title

 

[killuacel]

https://looksmax.org/threads/how-to-quickly-differentiate-between-pie-and-hyperpigmentation-to-determine-necessary-treatment.2133721/

 

[joe.bartolozzi]

Title

What's the best thing to use for red acne scars?​

azelaic acid 15%

 

[calinn]

niacinamide azelaic acid calming serums moisturizers hyaluronic acid maybe