Tea Tree Oil

Essential OilAntimicrobial

Also known as: Melaleuca Alternifolia Leaf Oil, Melaleuca Oil

Description

Tea tree oil is a volatile essential oil derived from the Australian plant Melaleuca alternifolia. It has well-documented antimicrobial, anti-inflammatory and anti-fungal properties. Widely used in Indian skincare products for acne-prone and oily skin. [Carson 2006]

Mechanism of Action

Contains terpinen-4-ol as the primary active component, which disrupts microbial cell membranes. Exhibits broad-spectrum antimicrobial activity against Cutibacterium acnes, Staphylococcus aureus and Malassezia species. Also suppresses inflammatory cytokine production. [Carson 2006]

Indications

Available Concentrations

1%2%5%

Side Effects

  • Contact dermatitis (if used undiluted) [Carson]
  • Skin irritation at high concentrations [Carson]
  • Allergic reactions in sensitised individuals [Hammer]

Contraindications

  • Known allergy to tea tree oil or Melaleuca [Carson]
  • Do not ingest
  • Avoid undiluted application

Pregnancy Category

Not classified (use with caution)

Found In

Cosmetics containing Tea Tree Oil

Related Conditions

References

  1. Carson CF, Hammer KA, Riley TV. "Melaleuca alternifolia (Tea Tree) oil: a review of antimicrobial and other medicinal properties." Clin Microbiol Rev, 2006. doi:10.1128/CMR.19.1.50-62.2006
  2. Hammer KA. "Treatment of acne with tea tree oil (melaleuca) products: a review of efficacy, tolerability and potential modes of action." Int J Antimicrob Agents, 2015. doi:10.1016/j.ijantimicag.2014.10.011

Limitations

This page provides a general overview of Tea Tree Oil in dermatology. It does not cover every possible use, formulation, or interaction. Individual responses to compounds vary — what works for one person may not work for another. Always consult a qualified dermatologist before starting or changing any treatment.