thoughts on azelaic acid?

[sample]

tryna get a new skincare routine cuz mines cancer rn

i've seen azelaic acid everywhere what's your guys thoughts on it?

currently using niacinamide + SA cleanser

 

[killuacel]

Yes good, helped with my post acne hyperpigmentation and erythema

currently using niacinamide + SA cleanser

Yes stop this bullshit SA is the literal devil just use some form of retinoid either tret taz or isotret