You can try and use any silicone based gels or patches, make sure you do not expose it to dry air directly.
There are many brands like Hexilak, silicone scar sheets, mederma
Next Steps
apply this 2 times a day and rub it in circular motions for 5 to 10 minutes to increase absorption. This should be don't for atleast 6 to 8 weeks to maximum 3 months.
Health Tips
if you feel the scar growing too fast or being discoloured, kindly get it evaluated for keloid or hypertrophic scars.