Ingredient Library

Ingredient guide

Tea Tree Oil

Also known as Melaleuca Alternifolia (Tea Tree) Leaf Oil

An aromatic leaf oil used in cosmetic formulas for fragrance and conditioning roles.

Aromatic botanical oil

What it is

Tea tree leaf oil comes from Melaleuca alternifolia and contains a complex mixture of aromatic compounds. Leaf oil, leaf extract and leaf water are distinct ingredient forms.

Common uses and benefits

It appears in cleansers, scalp care and styling products. The ingredient name alone does not prove that a product treats acne, dandruff or another condition.

Who may like it

People who tolerate aromatic botanical formulas may enjoy products containing it; sensitive skin may find them irritating.

Common formats

  • Melaleuca Alternifolia (Tea Tree) Leaf Oil

Pairing and use notes

Use the finished product according to its label. Do not infer directions from a different tea-tree product.

Good to know

Tea tree constituents and oxidation products can sensitize skin. Product age, storage and the whole formula affect tolerability. Discontinue an irritating product.

Sources and references

Cosmetic Ingredient Review: tea tree-derived ingredients scientific literature review

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