Air Disinfectant Spray Formulation and Scent Longevity
คำถาม
Seeking advice on formulating an air disinfectant spray with low alcohol content. Is the following formula feasible: Essential Oil 30%, LipidSoft™ Deo 40%, Ethyl Alcohol 30%? Additionally, to improve scent longevity and diffusion, should Flora Fix be added, and if so, what percentage is recommended?
คำตอบ
Air Disinfectant Spray Formulation Advice
Regarding your proposed formula for an air disinfectant spray:
- Essential Oil 30%
- LipidSoft™ Deo 40%
- Ethyl Alcohol 30%
This formula is likely not feasible as proposed. Here's why:
- High Oil/Emollient Content: The percentages of Essential Oil (30%) and LipidSoft™ Deo (40%) are very high for a spray formulation. Essential oils are typically used at much lower concentrations (usually 1-10% in air sprays, depending on the oil and desired intensity). LipidSoft™ Deo (Triethyl Citrate) is recommended for use at 1-5%. High levels of oils and emollients can cause the spray to feel oily, potentially separate, and may not disperse properly in the air.
- Solubility: Essential oils and LipidSoft™ Deo are not highly soluble in low concentrations of alcohol or water. A spray formula usually requires a higher percentage of solvent (like alcohol or a water/solubilizer blend) to ensure the oils are fully dissolved and dispersed evenly when sprayed.
- Disinfection Efficacy: While Ethyl Alcohol has disinfectant properties, a concentration of 30% may not be sufficient for effective air disinfection, depending on the target microorganisms. Disinfectant sprays often require higher alcohol concentrations or other active disinfectant ingredients.
A more typical approach for an air spray involves:
- A solvent base (often higher percentage of Ethyl Alcohol, or water with a solubilizer like Flora Solve Clear)
- Essential Oil or Fragrance Oil at a lower percentage (e.g., 1-10%)
- Potentially a small amount of an emollient or fixative.
Regarding adding Flora Fix for scent longevity:
Yes, Flora Fix is designed to help fragrances last longer and provide a more continuous scent release. It can be a good addition to your air spray to improve fragrance performance.
The description for Flora Fix suggests a usage rate of 8-10% in body spray formulas with higher fragrance concentrations. For an air spray, you could start by adding Flora Fix at a percentage equal to or slightly less than your Essential Oil concentration. For example, if you use 5% Essential Oil, you could try 3-5% Flora Fix. However, ensure the total percentage of your formula adds up to 100% and that all components are properly dissolved or dispersed in your chosen solvent base.
To create a stable spray, you will likely need to adjust the ratios significantly, increasing the solvent phase (Ethyl Alcohol or water + solubilizer) and decreasing the oil phase (Essential Oil, LipidSoft Deo). You may also need a solubilizer if using a water-based system or lower alcohol concentration.
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