Good Chemistry Brainiac dupe — closest scent matches

Good Chemistry Brainiac: released in 2018, fresh spicy, citrus and vanilla, about 4h on skin, projection 5/10, sillage 3/10. The alternatives below are matched to that profile.

What's a good Good Chemistry Brainiac dupe?

The closest Good Chemistry Brainiac scent match we found is Fine'ry. Mysterious Nomad — 85% match, about $50 (estimate) versus about $35 for a 100 ml bottle.

The five closest scent matches — the best Good Chemistry Brainiac dupes we found, ranked by opening & dry-down similarity:

How the 5 picks compare on match, price and performance. Prices are estimates for a 100 ml bottle, not live retailer prices; * size not listed, so assumed to be 100 ml.
#AlternativeScent matchEst. price (100 ml)Longevity vs Good Chemistry BrainiacProjection
1Fine'ry. Mysterious Nomad85%about $50* (+43%)4h vs 4h6/10
2Calvin Klein CK One81%about $65* (+86%)4h vs 4h7/10
3The 7 Virtues Vetiver Elemi80%about $30 (11 ml)5h vs 4h6/10
4Lush Dear John79%about $75 (+114%)5h vs 4h7/10
5Pacifica Beach Lavender Lemon80%about $40 (+14%)3h vs 4h5/10
  1. Fine'ry. Mysterious Nomad — 85% scent match

    Evokes the warm and spicy character of Good Chemistry Brainiac, bringing a similar woody sweetness to the skin.

    It shares its fresh spicy, citrus and aromatic accords with Good Chemistry Brainiac, lasts about 4h against 4h and carries 190 community ratings.

  2. Calvin Klein CK One — 81% scent match

    Shares the clean, aromatic, and refreshing citrus vibe found in Good Chemistry Brainiac with a bright opening.

    It shares its citrus, powdery and fresh accords with Good Chemistry Brainiac, lasts about 4h against 4h and carries 22,074 community ratings.

  3. The 7 Virtues Vetiver Elemi — 80% scent match

    Leans into similar earthy and spicy territory as Good Chemistry Brainiac, offering a grounded yet fresh herbal profile.

    It shares its aromatic, fresh spicy and citrus accords with Good Chemistry Brainiac, lasts about 5h against 4h and carries 104 community ratings.

  4. Lush Dear John — 79% scent match

    Presents a warm spicy and aromatic depth that echoes the complexity of Good Chemistry Brainiac.

    It shares its aromatic, warm spicy and citrus accords with Good Chemistry Brainiac, lasts about 5h against 4h and carries 308 community ratings.

  5. Pacifica Beach Lavender Lemon — 80% scent match

    Matches the bright citrus and aromatic herbal freshness reminiscent of Good Chemistry Brainiac.

    It shares its citrus, sweet and vanilla accords with Good Chemistry Brainiac, lasts about 3h against 4h and carries 66 community ratings.

Which Good Chemistry Brainiac dupe is cheapest?

Pacifica Beach Lavender Lemon, at about $40 for 100 ml (estimate) — still above Good Chemistry Brainiac's own estimate.

Which Good Chemistry Brainiac dupe lasts longest?

The 7 Virtues Vetiver Elemi, at about 5h on skin, against about 4h for Good Chemistry Brainiac.

Which Good Chemistry Brainiac dupe is closest to the original?

Fine'ry. Mysterious Nomad, at 85% overall scent match across the opening and the dry-down.

How much does a Good Chemistry Brainiac dupe save?

At 4 sprays a day — about 146 ml a year — Fine'ry. Mysterious Nomad actually costs about $20 a year MORE than Good Chemistry Brainiac. Assumes 100 ml bottles on both sides; prices are estimates.

Across 2,358 originals, the median designer bottle is $120 and its closest match $30 — the Dupe Report 2026.

Will a Good Chemistry Brainiac dupe last a full day?

On an 8-hour day, none of the 5 last a full 8 hours. The 7 Virtues Vetiver Elemi comes closest at 5.1h, so it needs one re-spray to cover the day.

Good Chemistry Brainiac notes, performance and price

Related dupe lists

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Updated 2026-08-21.