My 3 month old daughter has a lower eyelid crease. Will it go away with time? (Photo)

At home peels like cosmelan, enlighten and aerify along with dermarolling (MTS roller with anteage MD ampules) should be started now. There are many things you can do to treat under eye hollows and dark circles. A surgical option to remove skin and/or fat will such as lower eyelid blepharoplasty...

It's difficult to say without the benefit of a formal evaluation. This is my expertise and a huge portion of my practice. Asymmetry is normal and expected. See an expert who does facial shaping with surgical and non surgical methods to get a comprehensive option. Best, Dr. Emer.

You may need upper eyelid retraction repair so lower the upper eyelids but need more detailed evaluation to determine. See an oculoplastics expert.