How to Spot Test for Allergy to Skin Care Product – This is a place for the community to provide tips and advice on How to Spot Test for Allergy to Skin Care Product. This topic was created by Grace Olson - Bonilla and the tips are provided by the community. The tips you add here can be your own or referred from another site. The best tips are then ranked at the top when up-voted by members of the community.