im a a male but i dont know how to get my hair to curl like i want it please help!!!

so for some reason my hair just never curls like i want it to about a month ago i was exactly like i wanted it but i cant get that anymore. my regimen once a week is cocunut oil wash it out use argan oil shampoo sometimes if i feel like  i really need to shampoo then i use shea moisture conditioner then shea moisture leave in conditioner then shea moisture cocunut hibiscus curling smoothie. please help i just cant get my hair right ps. also im a guy