Scarring is really common with phimosis. It’s rarer to have no scarring when you get to adulthood with phimosis, unless it [the phimosis] has just occurred due to balanitis or something, as the tight foreskin has already had to ensure a lot of forces. 

Scars have fewer elastic fibres immediately following the original insult and the collagen within the scar is slightly uncoordinated. Over time, elastic fibres increase, and a different type of collagen helps to rebuild the region around the damaged skin. This increases the elasticity of the scar and will enable stretching. 

So ensure that you do not try to stretch a new scar for at least a month and modify the activity which is causing them 

Awesome thanks for that psant I’ll wait until next week before I start then 👍