fir needle oil
Volatile, fragrant oil that can cause skin sensitivity. According to the Natural Medicines Comprehensive Database, "The essential oil also acts as a rubefacient (counterirritant) and improves circulation when applied externally." A counterirritant is defined as any ingredient that causes sensitization or a mild swelling of the skin to alleviate uncomfortable symptoms deeper within skin.
Reference for this information:
PDR for Herbal Medicines. 1st ed. Montvale, NJ: Medical Economics Company, Inc., 1998
About the Experts
Paula Begoun is the best-selling author of 20 books about skincare and makeup. She is known worldwide as The Cosmetics Cop and creator of Paula’s Choice Skincare. Paula’s expertise has led to hundreds of appearances on national and international radio, print, and television including:
The Paula's Choice Research Team is dedicated to busting beauty myths and providing expert advice that solves your skincare frustrations so you can have the best skin of your life!