Ighalo opened scoring for his side Al Hilal who held Damac to a 2-2 draw in a Saudi Arabia Pro League game on Saturday at Prince Faisal bin Fahd Stadium.
The 33-year-old put the Royals ahead in the 38th minute, finishing off a delightful cross from Salem.
Luciano Vietto doubled the lead for Al Hilal when he latched onto a through-ball from Mohamed Kanno before firing his shot past Zeghba.
Despite going 2-0 down, Damac halved the deficit in the 75th minute after Abdulelah Al-Shammeri scored.
Abdulaziz Al-Shahrani ensured spoils were shared when he struck to silence the home crowd in the 89th minute when
The Nigerian striker who was booked in the 45th minute for a clumsy challenge played for 69 minutes and was replaced by Saleh Al Shehri.
Ighalo has now scored seven league goals, with one assist in 11 matches for Al Hilal.
