Why Does Home Fragrance Concentration Matter?

When it comes to home fragrance, concentration is everything. It determines how strong a scent is, how long it lasts, and how it behaves in your space. Yet it's one of the least talked-about factors when people are choosing between a reed diffuser, a candle, or a room spray.

Let's break it down.

Reed Diffusers: Slow and Steady

Reed diffusers typically contain fragrance oil at a concentration of 15–30% in a carrier base. This relatively high concentration is necessary because the fragrance is released slowly and continuously over weeks or months — there's no heat or pressure to boost dispersal.

The result is a subtle, consistent background scent that builds over time. It's ideal for living rooms, hallways, and bedrooms where you want an ambient fragrance rather than an immediate hit.

At New Dawn UK, we formulate our diffuser oils to sit at the higher end of this range, giving you a noticeable scent without being overpowering.

Candles: Heat Changes Everything

Scented candles typically have a fragrance load of 6–12% — lower than diffusers, but the heat from the flame dramatically amplifies scent throw. As the wax melts, it creates a fragrance-rich pool that evaporates rapidly into the room.

This gives candles a stronger, more immediate scent — perfect for evenings when you want to fill a room quickly. However, the scent is only present when the candle is burning, and it fades once extinguished.

Room Sprays: Instant but Fleeting

Room sprays are the most concentrated of the three, often containing 10–20% fragrance in an alcohol or water base. The alcohol acts as a propellant and carrier, releasing fragrance instantly into the air.

The trade-off? Room sprays are short-lived. The scent typically dissipates within 30–60 minutes, making them best for a quick refresh rather than continuous fragrance.

Which Should You Choose?

• For all-day ambient scenting: Reed diffuser
• For evening atmosphere: Candle
• For a quick refresh before guests arrive: Room spray
• For the best of all worlds: Layer all three with complementary scents

Understanding concentration helps you set realistic expectations and get the most from every product. The right choice depends on your space, your lifestyle, and the kind of fragrance experience you're after.

Explore our full range of reed diffusers and room sprays at New Dawn UK.