Undiluted Use of Essential Oils On the Skin Can Be Harmful and Potentially Cause Severe Irritation or Sensitization. I often see aromatherapy authors and educators that pass along the rule of thumb that it is safe to use some essential oils on the skin, most particularly lavender and tea tree, without first diluting them in a carrier oil. Using essential oils on the skin without diluting them is referred to as applying them "neat." Never Put Undiluted Essential Oils On Your S

What is azelaic acid? Surprisingly, the naturally occurring acid comes from barley, rye grains and wheat and belongs to a family called carboxylic acids. Azelaic acid is known to have antibacterial, anti-inflammatory and antioxidant properties, making it effective in the treatment of skin conditions such as hyperpigmentation, melasma, scars, acne and rosacea. Does azelaic acid help fight acne? In one word: yes! Boston dermatologist Dennis A. Porto, MD says the acid’s antimicr