Sesderma has an eye serum like that, it’s literally called K-Vit and Isdin/Auriga +
I love Sesderma Azelac RU serum. I alternate at night with Retin-A.
I used vitamin C serum a long time ago and what I noticed is that sometimes the product was good+
Unfortunately, the best tx for dark spots from acne is to prevent the acne from happening, if+
I don’t think there are any, at least I can’t think of any that would +++
Even tho the txs don't seem to help, I would recommend keeping up w/ the ointment and maybe also+
Azelaic acid (TO makes an OTC one, so does PC), anything w/ Tranexamic acid (SC makes an overpriced+