What is it?
Primin is the chemical found in the popular European house plant, Primrose (primula obconica), which causes allergic reaction.  It may also be grown in certain areas of the United States, as well as used as a botanical extract in skin care products.

How do I avoid it?
Allergic contact dermatitis to Primin can be prevented by avoiding most specimens of Primula obconica. Touching or handling the plant  can affect fingers, hands, and other exposed skin such as arms, neck, and face. Primula obconica, which has round leaves covered with visible fine hairs and microsopical trichomes, is the usual cause. Primin is a powerful sensitizing substance contained in the fine hairs, and the content varies with the season, hours of sunshine and care of the plant. A hybrid called Libre is Primin-free and eliminates allergy to Primula obconica. Libre seeds are available from Goldsmith Seeds, Inc (P.O. Box 1349, Gilroy, CA 95021). Other type of primrose plants do not contain Primin and thus can be handled without a problem.

Skin and hair care products containing Primrose (primula obconica)

Other names for Primin:
  • 2-Methoxy-6-n-pentyl-p-benzoquinone
  • Primula obconia
  • Isolan
  • 2-Methoxy-6-pentyl-p-benzoquinone
  • 2-Methoxy-6-pentyl-p-benzochinone
  • 2-Pentyl-6-methoxy-1,4-benzoquinone
  • 2-Methoxy-6-pentyl-1,4-benzoquinone
  • 2-Methoxy-6-n-pentyl-p-benzoquinone
  • 2-Methoxy-6-n-pentyl-1,4-benzoquinone
  • 2-Methoxy-6-pentyl-2, 5-cyclohexadiene-1,4-dione
Potential cross-reacting/co-reacting substances:
  • Rosewood extract
  • Other fragrances such as primrose
  • Other quinones

How safe is it?

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