What could i do to determine if i should keep using tretinoin cream?

Depends on goals: Tretinoin cream is most comonly prescribed for acne, wrinkle reduction and oily skin. Changes in the skin can be seen within 24 hours and often times dose adjustments will need to be made. A daily sunblock should be used as the skin becomes more sensitive. Treatment times vary from weeks to months depending on strength and frequency of application. Check with your prescriber to evaluate.