Releasing the midface under the periosteum produces heavy swelling and bruising across the cheeks and lower lids, worst in the first week and often a month before it clears. Numbness over the cheek while the infraorbital nerve recovers is common, and the two sides seldom settle at the same rate. Traction on the lower lid can round or lower the lid margin, and a temporary hollow may appear where tissue was freed. Scars inside the hairline can stay firm, and thinning of hair near the temple is possible. Removing upper lid skin can leave uneven creases, dryness, trouble closing the eye at night, or a visible line in the fold. Bleeding, infection and revision surgery are uncommon.