In The Box

In The Box Regnum Opus

In The Box Regnum Opus perfume bottle

Built around woody, warm spicy and powdery accords, Regnum Opus is a fragrance for men introduced by In The Box in 2022.

Fragrance pyramid

Top notes

Heart notes

Base notes

Main accords

When to wear it

Best seasons: fall, winter. Most worn for: nights out.

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