What if I'm formulating a high-alcohol perfume — do I still need an emulsion?
Edited
Generally, no. High-alcohol formulas like eau de parfum or eau de toilette typically use alcohol-soluble fragrance oils that disperse cleanly in the alcohol base without requiring an emulsion. Fragrance emulsions are most relevant for water-heavy or low-alcohol systems where straight fragrance oil won't stay dispersed on its own. If your formula is predominantly alcohol, focus on selecting an alcohol-soluble fragrance rather than an emulsion system.