CoolTouch™ (Menthyl Lactate) Solubility and Usage in Spray Formulations

CoolTouch™ (Menthyl Lactate) is not water-soluble. It needs to be dissolved in oil, glycol, or ethyl alcohol. You can use heat up to 50°C to help it dissolve faster.

To use CoolTouch™ in a spray formulation that contains both water and oil phases, you will need an emulsifier to bind the two phases together. Light Lotion Maker is a suitable high-performance emulsifier that can create light textures suitable for sprays.

How to use CoolTouch™ in a spray formulation with Light Lotion Maker:

1. Dissolve CoolTouch™ in the oil phase of your formulation.
2. Mix Light Lotion Maker into the oil phase.
3. Gradually add the oil phase mixture to the water phase while stirring or mixing.
4. Light Lotion Maker can be used in a cold process (without heat).

For a spray formula, it is recommended to use Light Lotion Maker at 3-4% and Polysorbate 80 at 1%. You may also consider adding a small amount of Xanthan Gum (around 0.2%) to help prevent separation and keep the formula from being too liquid.

Follow the recommended usage rate for CoolTouch™, which is typically 0.1-1%, depending on the desired cooling intensity.