Vanishing Cream

Definition of Vanishing Cream:

• Vanishing cream are oil-in-water (O/W) emulsions that leave a non-greasy, matte finish on the skin.
• The name “vanishing cream” comes from their fast absorption and the absence of a shiny residue.

Key Ingredients:

1. Fatty Acids: Provide a smooth texture (e.g., stearic acid).
2. Water: Continuous phase.
3. Emulsifiers: Ensure stability (e.g., triethanolamine).
4. Preservatives and Fragrance.

Formulation and Preparation:

1. Oil Phase Preparation

   • Stearic acid, emulsifiers (partially), and fatty alcohols (if used) are heated together.

2. Aqueous Phase Preparation

   • Water and other water-soluble ingredients (e.g., humectants, neutralizing agents) are heated separately.

3. Neutralization and Emulsification

   • The heated aqueous phase is added to the oil phase under stirring, which neutralizes stearic acid and forms an O/W emulsion.

4. Cooling

   • The mixture is stirred gently and cooled.
   • Perfume and heat-sensitive additives are added once the emulsion is below 40 °C.

5. Finishing

   • The cream is tested for pH (around 6–7), viscosity, and stability before being packaged into jars or tubes

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