What is Colloidal Oatmeal?

Colloidal oatmeal is finely ground oats that are processed to make them easy to dissolve in water. Unlike regular oatmeal, colloidal oatmeal retains the beneficial compounds of oats, such as beta-glucans, avenanthramides, and lipids, which provide anti-inflammatory, antioxidant, and moisturising benefits.

When added to water or skincare products, colloidal oatmeal forms a protective barrier on the skin, locking in moisture and calming irritation.


Benefits of Colloidal Oatmeal

  • Moisturising: It helps to hydrate and soften dry, rough skin.
  • Soothing: Relieves itching and irritation from eczema, psoriasis, insect bites, and rashes.
  • Protective: Creates a barrier to shield sensitive skin from irritants.
  • Gentle: Safe for all ages, including babies and individuals with sensitive skin.

How to Make Colloidal Oatmeal

Ingredients and Equipment:

  • Rolled oats or quick oats (organic, if possible)
  • A blender, food processor, or coffee grinder
  • A fine mesh strainer (optional, for extra-fine powder)
  • An airtight container for storage

Step-by-Step Instructions:

  1. Measure Your Oats:
    • Start with 1–2 cups of oats. Rolled oats or quick oats work best, as they are minimally processed and easy to grind.
  2. Grind the Oats:
    • Place the oats into a blender, food processor, or coffee grinder.
    • Grind them into a fine, powdery consistency. The finer the grind, the better the oats will dissolve in water.
  3. Test the Powder:
    • To ensure your colloidal oatmeal is finely ground, mix 1 tablespoon of the powder into a glass of warm water. Stir well. If the water turns milky and the powder doesn’t settle at the bottom, it’s ground finely enough.
  4. Optional: Strain the Powder:
    • If you want an ultra-smooth powder, sift the ground oats through a fine mesh strainer, discarding any larger pieces.
  5. Store the Oatmeal:
    • Transfer the colloidal oatmeal to an airtight container. Store it in a cool, dry place for up to 6 months.

How to Use Colloidal Oatmeal

  1. Oatmeal Bath:
    • Add 1–2 cups of colloidal oatmeal to warm bathwater. Stir the water to dissolve the powder completely.
    • Soak for 15–20 minutes, then pat your skin dry gently to avoid irritation.
  2. DIY Oatmeal Mask:
    • Mix 1 tablespoon of colloidal oatmeal with enough water or milk to form a paste.
    • Apply the paste to your face or body and let it sit for 10–15 minutes before rinsing off with warm water.
  3. Homemade Lotions and Creams:
    • Incorporate colloidal oatmeal into DIY skincare recipes for added moisturising and soothing benefits.

Tips for Success

  • Use High-Quality Oats: Organic oats are free from pesticides and chemicals, making them ideal for sensitive skin.
  • Grind in Small Batches: This ensures the oats stay fresh and maintain their potency.
  • Customise Your Bath: Enhance your oatmeal bath with a few drops of lavender or chamomile essential oil for extra relaxation.

Why Make It at Home?

Homemade colloidal oatmeal is cost-effective, customisable, and ensures you’re using a pure product free from additives. By preparing it yourself, you can ensure the quality of the ingredients and avoid any unnecessary chemicals.


Making your own colloidal oatmeal is an easy, practical way to harness the natural healing power of oats. Whether you’re seeking relief for eczema, dryness, or general skin irritation, this DIY solution is a versatile and gentle remedy for all ages. Try it out and see the difference it can make in your skincare routine.

Safety Note

Colloidal oatmeal is widely considered safe and soothing for most skin types, including babies and those with sensitive skin. However, it’s always wise to do a patch test before full use—especially if you have a known oat allergy or gluten sensitivity. While oats are naturally gluten-free, cross-contamination can occur during processing, so opt for certified gluten-free oats if needed. If any irritation occurs, discontinue use and consult a healthcare professional.


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