This kind of hair loss is often replaced naturally in six months to a year. But as it's best to "set a thief to catch a thief," if the cause is psychological pressure it's best to apply a psychological treatment.
這類掉髮通常在半年到一年之後會自然再生髮，而且「解鈴還須繫鈴人」，若是由心理壓力所引起，就須施以心理治療。