Best For Skin Types
All, Dry, Sensitive
Addresses
Effective Concentrations
Around 1%
Usage Frequency
Daily
What Is Colloidal Oatmeal Extract?
Colloidal oatmeal extract is produced by finely grinding oats and extracting the colloidal material through boiling. This creates a suspension of fine oat particles that have been used topically for centuries to address skin irritation and dryness. The ingredient contains multiple compounds that work together to condition and protect the skin.
In skincare formulations, colloidal oatmeal functions as a humectant (drawing moisture to the skin), a skin conditioner, and a natural soothing agent. It is regulated as a skin protectant by the FDA and is standardised by the United States Pharmacopeia, indicating its established safety and consistency.
Benefits for Your Skin
How It Works
Colloidal oatmeal works through multiple mechanisms simultaneously. It contains compounds that stimulate genes involved in epidermal differentiation (the process by which skin cells mature), tight junction formation (the seals between cells that prevent water loss), and lipid regulation (the fats that form the barrier). This multi-targeted approach helps repair and maintain a compromised skin barrier.
The ingredient also has natural buffering properties that help stabilise skin pH, reducing irritation. Its fine particle structure allows it to coat and protect the skin surface whilst drawing moisture in, providing both immediate soothing and longer-term barrier support.
Clinical Evidence & References
Clinical research demonstrates meaningful benefits, particularly for atopic dermatitis and eczema. A 14-day clinical trial found that a cream containing 1% colloidal oatmeal reduced eczema severity scores by approximately 50%, outperforming standard moisturisers in participants with mild to moderate eczema.
Laboratory studies indicate that colloidal oatmeal extracts stimulate the expression of multiple genes related to skin barrier function and can help recover barrier damage in models of atopic dermatitis. Whilst this in vitro evidence is encouraging, most clinical data focuses on eczema; evidence for use in other skin conditions is more limited. Further research would help clarify its efficacy across a broader range of skin concerns.
How to Use
Colloidal oatmeal is gentle and suitable for regular use in moisturisers, serums, and creams. It works well in formulations designed for sensitive or compromised skin. Look for it listed in the ingredient list (INCI: Colloidal Oatmeal Extract) and note that it is often found at concentrations around 1% in targeted products like eczema creams. It can be layered with other soothing ingredients and is compatible with most skincare routines, though a patch test is advisable if you have known oat sensitivity.
Safety & Precautions
Frequently Asked Questions
From the Clinic
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Collagen Water
A hydrating ingredient derived from broken-down collagen that supports skin moisture and suppleness
Copper PCA
Synthetic skin-conditioning agent | Composed of the copper salt of PCA
Copper Tripeptide-1
Sends reparative signals to key proteins in skin’s extracellular matrix | Supports skin’s collagen, elastin, and glycosaminoglycans (such as hyaluronic acid)
Creatine
Amino acid found in the human body Serves as a precursor to adenosine triphosphate
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