Natural Colorants and Additives

Learning Objectives:

• Identify natural ingredients used for coloring and enhancing soaps.
• Understand the impact of additives on soap texture, scent, and skin benefits.
• Apply techniques to safely incorporate botanicals, clays, and herbs.

Content Outline:

1. Introduction to Natural Colorants
   • Plant-Based Colorants:
     • Spirulina (green), Turmeric (yellow), Madder Root (pink/red).
   • Mineral-Based Colorants:
     • Clays (Kaolin, French Green, Rose Clay).
   • Infusions:
     • Oil infusions with calendula, chamomile, etc.
2. Common Additives for Soap
   • Botanicals:
     • Dried flowers (lavender, chamomile), ground oats, poppy seeds.
   • Functional Additives:
     • Aloe vera (soothing), honey (moisturizing), goat milk (creamy lather).
3. Techniques for Using Additives
   • Incorporation Methods:
     • Direct addition, infused oils, powder dispersion.
   • Tips:
     • Always test for color fading (e.g., turmeric can darken).
     • Ensure all botanicals are dry to prevent mold.
4. Activity: Colorant and Additive Experiment
   • Students will create two small soap batches:

1. One with a natural colorant.
2. One with a botanical additive.

1. • Share results and observations.

Assessment Questions:

• Name two natural ingredients used for soap coloring.
• True/False: Adding wet botanicals directly to soap is safe.
• What benefit does oatmeal bring to soap?

Resources:

• Downloadable chart: “Natural Colorants Quick Guide.”
• Video tutorial: “Infusing Oils with Botanicals.”