Thyme is a fantastic antibacterial proven to work better on acne bacteria than benzoyl peroxide in a study done by Leads Metropolitan University. See : Thyme has a strong herbaceous, spicy aroma that is energizing, stimulating and toning. It is also effective as an anti-microbial, deodorizing agent and in regulating sebum in the skin making it a perfect ingredient for cleansers and acne treatments.