: Never apply pure tea tree oil directly to large areas of skin. Mix 1–2 drops with a carrier oil (like jojoba or almond oil).
To ensure you aren't buying a synthetic "fragrance oil" or a diluted blend, look for these markers on the label: : It must list Melaleuca alternifolia .
: Retailers like iHerb , Vitacost , and Lucky Vitamin often provide competitive pricing and detailed ingredient lists.