Melaleuca Alternifolia Leaf Oil
Caution
Official INCI name
Tea tree essential oil. Some evidence against spots, but a common cause of contact allergy — especially once it's old and oxidised.
What it does
Active. Does something to the skin: exfoliating acids, retinoids, vitamins, peptides, soothing agents.
Worth knowing
Can cause contact allergy that, once developed, returns on every exposure.
Also written as
Scans recognise it under every one of these names.
Tea Tree Oil
“Melaleuca Alternifolia Leaf Oil” is its name in the EU glossary of common ingredient names (no. 16116), the names labels in the EU must use. © European Union, EUR-Lex.