Hanging Car Air Freshener Formula

Asked by: saitongphin On: February 15, 2022 Product Type: Cosmetics Answered

Question

How to make a hanging car air freshener formula that provides good fragrance diffusion?

Answer

Hanging Car Air Freshener Formula

To make a hanging car air freshener with good diffusion and scent, you will need a fragrance oil and a suitable base liquid. Dipropylene Glycol (DPG) is commonly used as a base for this type of air freshener because it helps to dissolve the fragrance oil and allows for gradual diffusion into the air.

A simple formula ratio you can start with is:

You can adjust the ratio based on the strength of your fragrance oil and desired intensity.

Instructions:

  1. Carefully mix the fragrance oil and DPG in a container.
  2. Prepare your absorbent material (e.g., felt pad, cardboard shape).
  3. Soak the absorbent material in the mixture until fully saturated.
  4. Allow any excess liquid to drip off, then hang the air freshener in your car.

Choose a fragrance oil you like, such as Jasmine Fragrance Oil or Neroli Fragrance Oil, to create your desired scent.

Answer Update
Updated Review: May 2026

This section was added after reviewing the original answer against current product availability and formulation knowledge at the stated point in time.

Update as of 2026-05-31: The original DPG + fragrance-oil approach is still consistent with the current catalog information. Dipropylene glycol is listed as a clear perfume base/fixative that can be used for perfume mixing, and Jasmine Fragrance Oil / Neroli Fragrance Oil remain suitable fragrance choices. For a hanging car format, test the absorbent material first, avoid over-soaking, and use packaging that prevents dripping—especially in a hot car—to avoid staining or damaging interior surfaces.

Tags

Fragrance Diffusion Fragrance Formulation Solubility Ingredient Ratio