* [[Light Therapy]] : Sunlight was long known to improve acne, and this was thought to be due to antibacterial and other effects of the ultraviolet spectrum which cannot be used as a long-term treatment due to the likelihood of skin damage.
* [[tea tree oil]] can kill bacteria, applying topical (diluted) tea tree oil to acne lesions has been thought to destroy Propionibacterium acnes, the skin-dwelling bacteria that is involved in the development of acne.
* A [[thyme]]-based tincture has proven to be a effective.
== Warnings ==