Less yellow, white, brown, or black discoloration
New nail growth looks clearer and healthier
Nail becomes less thick
Nail surface looks smoother
Less crumbling or brittleness
Nail edge looks more normal as it grows out
Fewer signs of lifting from the nail bed
No spreading to nearby nails
Reduced odor
Less pain, tenderness, or pressure
Nail looks more transparent at the base
Healthy nail replaces the damaged portion over time