1. High-Quality Ingredients: They use premium natural wax ingredients, such as soy wax, which are known for their ability to hold fragrance well and release it slowly over time.

2. Essential Oil Fragrances: Louise Candle incorporates high-quality essential oils into their candles, which are known for their strong and long-lasting scents.

3. Proper Wax and Fragrance Blending: While not explicitly stated for Louise Candle, it's likely they follow industry best practices of carefully blending the fragrance oils with the melted wax at the right temperature to ensure optimal scent throw and longevity.

4. Wick Selection: They likely use high-quality, natural cotton wicks that are appropriately sized for their candles, which helps in even burning and consistent fragrance release.

5. Burn Time Recommendations: Louise Candle probably advises customers on proper burning techniques, such as allowing the candle to burn long enough to create a full melt pool, which helps in releasing the fragrance evenly and prolonging the scent.

6. Storage Guidance: While not explicitly mentioned for Louise Candle, they likely recommend storing candles in a cool, dark place when not in use to prevent the scent from fading due to heat and light exposure.

By combining these methods, Louise Candle can ensure that their candles maintain a strong and long-lasting fragrance throughout their burn time, living up to their tagline of "Luxury in every glow."