This may be a case of balanitis. However, you have noted of a white discoloration as well as tightening of the foreskin in the area. This may be case of balanitis obliterans. I suggest that you have this assessed by a physician early on. Tightening of the foreskin around the glans penis may obstruct blood flow to the area.
More White Ring Around Foreskin images
Dermatology 37 years experience. White vinegar soak: You can try a soak of half white vinegar and half lukewarm water for about 5 minutes once or twice per day until the issue resolves. If it is a persis... Read More.
The photographs show, a circular pale white ring circumferentially, over the foreskin. If this doesn't affect the retraction of foreskin, or itching,you don't need to worry much. If the whitish discoloration has occurred over a long time, don't worry. If you want to get rid of it permanently,one option is,get circumcised. Hope your doubt is cleared.
The whitish ring you describe is found primarily in balanitis xerotica obliterans, which is a common cause of phimosis. This is definitely something that should be brought to the attention of a doctor and I'd recommend taking him to your regular family physician, and, if needed, your physician will refer you from there.
I can't say for sure because I can't see/feel the ring but it sounds like it could be a phemotic ring. Not all rings are severe some just make your foreskin a little tight and can loosen with some stretching exercises...
If the ring is BXO, you'd need treatment by a doctor who could prescirbe strong steroids. In any case, do no wash with soap. It kills beneficial bacteria which keep your foreskin healthy.
Perhaps the most important thing I may say about the (in)famous "white ring" is that there is no one "condition" or "disease". If part of your foreskin is tight, it will naturally tend to "blanch" when put to the stretch, the effect is more dramatic because the foreskin is so thin.
White ring. The opening of your foreskin has a white ring that looks like scar tissue. You may have painful swelling in the head of your penis or in the whole organ.
Lichen Sclerosis et Atrophicans: A chronic inflammatory skin disease leading to thinning and white discoloration of the skin. In males usually on the glans penis and the foreskin. At places there is thickening too, accompanied bu fissuring. Diagnosis is by a punch biopsy and histopathological examination.
Usually the glans ring can be worn most of the time, for example, under the clothing in everyday life and during sex. The ring is not visible through clothing and it is relatively unnoticeable through the foreskin.