Hi All,
THis is Dipanjan.. New to this community.. Don't know how to start here but expect to get your help and guidance to learn and help other as well.
Try to use below query,
match (p:Product)-[r:contains]->(i:Ingredient)
where i.name = 'citric acid.' and i.name = 'natural flavor'
RETURN p
as per the image your ingredient name is "citric acid." but in the query you missed "."