Extrait de parfum ¡ 33.33% concentration
Adverse Reaction
Adverse Reaction
Inspired by Side Effect
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Add a second scent
Valhalla, 10ml
Inspired by Aventus ¡ $13.99
- Rated 4.8 out of 5 across 3,495 Barrett reviews
- Ships within 24â48 hours by USPS Ground
- The 55ml arrives in a luxury gift box, ready to give
- 2 free surprise samples in every order
- IFRA compliant, paraben and phthalate free
- Not sure yet? Start with the 10ml try size
The notes
- Top
- Rum
- Cinnamon
- Tobacco
- Heart
- Sandalwood
- Jasmine
- Base
- Vanilla
- Musk
- Benzoin
- Strength
- Extrait de parfum, 33.33% concentration
How close is it to the original?
Adverse Reaction is our own interpretation of Side Effect, so it wonât be identical, but itâs built to capture the same character. The 10ml try size is the easiest way to judge for yourself.
How long does it last?
At 33.33% concentration, extrait de parfum is our most concentrated format. Wear time varies with skin and climate.
About this scent
Experience the electrifying rush of forbidden indulgence with Adverse Reaction, a bold extrait de parfum that captures the essence of daring sophistication and raw magnetism, drawing you into a vortex of sensory thrill that's impossible to resist. Unleash your inner rebel and command the room with a scent that's equal parts elegant and edgyâintoxicating, addictive, and designed for those who live life on the edge, turning ordinary moments into pulse-racing adventures. This powerhouse elixir is your ticket to unapologetic confidence, wrapping you in an aura that lingers and lures, making every encounter feel charged with possibility. It ignites with the boozy warmth of rum, spicy cinnamon, and smoky tobacco, delivering an immediate hit of seductive intensity that grabs hold and doesn't let go. In the heart, creamy sandalwood and airy hedione add a smooth, jasmine-like depth, balancing the fire with a touch of refined allure. Finally, sweet vanilla, sensual musk, and resinous benzoin create a velvety base that's rich, comforting, and endlessly compelling, leaving a trail of mystery and desire. Dare to dive inâAdverse Reaction isn't merely a fragrance; it's the side effect of true charisma you'll never want to cure. One application, and it'll become your obsession.
Note Breakdown:
- Top Notes: Boozy rum, spicy cinnamon, and smoky tobacco explode with intoxicating warmth and bold intrigue, instantly seizing the senses and setting a tone of rebellious charm and magnetic tension.
- Heart Notes: Creamy sandalwood and airy hedione infuse a smooth, jasmine-like depth and elegance, adding layers of sophistication that heighten the thrill and draw you deeper into its captivating embrace.
- Base Notes: Sweet vanilla, sensual musk, and resinous benzoin deliver a lingering, velvety trail of addictive comfort and raw desire, ensuring a lasting impression that's as profound as it is unforgettable.
How to wear it
Spray two or three times on pulse points: wrists, neck and behind the ears. Extrait is concentrated, so a little goes a long way. Let it settle rather than rubbing it in.
Shipping
Orders ship within 24â48 hours (excluding weekends and holidays) by USPS Ground. Orders of $50 or more ship free; smaller orders pay a flat rate. We currently ship within the US only.
Fragrance is personal
Because scent is so personal, we canât accept returns based on fragrance preference. Thatâs why every scent comes in a 10ml try size. If your order arrives damaged, defective or incorrect, contact our support team and weâll make it right.
What âinspired byâ means
Adverse Reaction is Barrettâs own extrait de parfum, created to capture the character of Side Effect. We are not affiliated with or endorsed by the house that makes the original; its name is used only to describe the scent.


Adverse Reaction
55ml ¡ $49.99