My friend used it and they still appeared. I used Bioline’s dry oil and didn’t get a single stretch mark (I used it from week 8). If stretch marks have already appeared, nothing will help anymore.
The presence of stretch marks mostly doesn't depend on whether you applied anything or not. Skin is genetically either elastic, firm, etc., or it's not. A friend started using coconut oil, Johnson's Baby, and brand-name rich creams even before conception. Her whole belly is still covered in stretch marks.