Photosensitive oils. Look to oils which contain furanocoumarins.
Essential oils of
verbena, mandarin leaf, bergamot fruit, lime fruit, bitter
orange fruit, lemon fruit, grapefruit, cumin seeds and angelica root.
Not patchouli, not celery, not cedarwood, not mandarin
fruit, not tangerine fruit, not bergamot FCF, and not
So not all citrus oils are photosensitive, Mandarin and Tangerine stand out.