What is the purpose of allowing an essential oil blend to 'synergize' or 'marry' for a period of time?

Why Should Blended Essential Oils Rest for a While?

Hey, when I blend essential oils myself, I always let the mixture sit for a while before using it. You know, blended oils combine several different essential oils—like lavender and lemon, for example. The purpose of resting is to allow them to develop "synergistic effects" or "fusion." Simply put, it helps the oils "blend harmoniously" and deliver enhanced results.

First, What Are Synergistic Effects?

Think of it like cooking: if you mix several spices and eat them right away, the flavor might be okay, but if you let them marinate for a while, the taste becomes more balanced. Essential oils work similarly:

Chemical Interaction: Each oil has unique chemical components—lavender has calming properties, while peppermint is uplifting. Without resting, these components might "act independently." Letting the blend rest (usually 1–2 weeks) allows them to interact gradually, creating a new equilibrium that amplifies overall effects. For instance, a blend that promotes relaxation on its own might, after resting, better relieve stress or improve sleep.
Aroma Integration: Freshly blended oils can smell chaotic or overwhelming. Resting mellows the scent, making it smoother and more harmonious—less sharp or discordant.

Benefits of Resting

I’ve tried using blends immediately—they work, but something feels lacking. After resting:

Enhanced Efficacy: This is "synergy"—where 1+1>2. Combined oils boost each other’s benefits. For example, anti-inflammatory + pain-relieving oils become more effective against headaches.
Improved Stability: Essential oils are volatile; resting stabilizes them, reducing the risk of spoilage.
Better Experience: Whether used in massage, diffusion, or baths, the scent and feel become more natural.

I usually recommend storing blends in a dark place at room temperature for at least a few days to a week, occasionally giving them a gentle shake to aid blending. If you’re new to this, start with small batches—don’t rush into large bottles. In short, this step is simple but makes your aromatherapy efforts far more effective! Feel free to ask me about specific blends!