had similar spots, & we found the culprit was his watch,he was allergic to the metal on
the bottom of it,he had these spots in his hair,& very itchy
,we took him to a speacialist & had him remove his watch,he also had them there,we could not beleive it was caused by that,but on
ce his watch was removed the spots all cleared up & had not had a problem since he had went mon
ths with this until we found the culprit,Good Luck.