Particularly in boys, back stretch marks develop during puberty from growth spurts.
View Stretch Mark On My Back
Gif. Stretch marks on the back appear in the form of horizontal lines. It's not uncommon for you to develop stretch marks on various parts of your body.
Stretch Marks Do They Ever Really Go Away After Pregnancy from www.todaysparent.com
If you lift weights, stretch marks are even more likely. Prednisone can also make existing stretch marks go red again due to vascular changes, all my pregnancy marks, even puberty stretch marks are back to an angry red after the prednisone. Stretch marks at back and body can not be treated.
Your body looks the way it does and usually there's nothing you can do about it so wear it with pride.
Back stretch marks often appear in a horizontal pattern on your lower back. Stretch marks look like lines or streaks across the skin. For acne, you may just need to wash with a different. That being said, it's a good idea to work on your posture in general.