To address triple eyelids, what non-surgical procedures are available?

I would agree with Dr Chua’s answer. Hypopigmentation is far harder to treat than hyper pigmentation. Fractional laser is considered one possible treatment. But it does not guarantee results that will be satisfactory to you.

I am sorry to hear about your unhappy surgical experience. Eyelid surgery is a complex subject and requires a meticulous assessment as droopy eyelids has a variety of causes, needing different treatment options. In your case, based on your before photograph, it would appear that you have excess outer eyelid skin (lateral hooding), which is very common. Your eye opening size appears unaffected, which indicates you do not have true blepharoptosis (true drooping of the upper eyelid).