Try this Homemade Pain Relief Spray recipe, or contribute your own.
Failing to account for the fundamental properties of oil and water causes most attempts at this formulation to separate immediately upon shaking. Essential plant extracts are hydrophobic compounds that refuse to bind spontaneously with aqueous magnesium chloride solutions without a dispersing agent. Pouring undiluted botanical extracts directly into a mineral base results in droplets floating on the surface rather than dispersing evenly throughout the volume of the container.
Achieving a uniform suspension requires a dedicated mechanical dispersion technique because standard glass spray bottles lack internal mixing mechanisms. Vigorous shaking for at least 15 seconds before each application forces the botanical particles into temporary suspension within the dense mineral liquid. Using a fine mist spray nozzle with an internal orifice diameter under 0.2 millimeters helps break the combined liquids into smaller droplets upon exiting the bottle.
Glass selection dictates the longevity of the mixture because wintergreen contains methyl salicylate, which degrades certain plastics over extended storage windows exceeding 14 days. Dark amber or cobalt blue glass blocks ultraviolet light wavelengths that degrade botanical compounds within hours of exposure. Standard clear glass permits light penetration, which accelerates the oxidation of yarrow and helichrysum extracts and alters their chemical composition permanently.
Magnesium chloride brine leaves a concentrated saline residue on the skin as the moisture evaporates completely within five minutes of application. Rinsing the skin with lukewarm water after 10 minutes removes unabsorbed salt crystals that might otherwise cause irritation on sensitive areas. Storing the finished glass bottle in a cool, dark environment maintained between 15 and 20 degrees Celsius preserves the integrity of the volatile compounds for up to three months.