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Colloidal Oat
ORY® product lines:
☑ Skincare
☑ Haircare
☑ Handmade Soap (classic)
☑ Cosmetics — full dual-use ingredient
Colloidal oat (colloidal oatmeal) is whole oat kernels (Avena sativa) milled to a fine powder that disperses in water to form a soothing, protective film. It is one of the few botanicals with an FDA drug monograph: at 0.007% or more it is an approved skin protectant for temporary relief of itching and irritation from eczema, rashes, poison ivy, and insect bites [1]. Its mechanism is now well understood — oat avenanthramides are potent anti-inflammatory and anti-itch polyphenols [3], beta-glucans bind water and support barrier repair, and saponins cleanse gently [1, 2]. Clinical studies show colloidal oatmeal creams improve dryness, itch, and barrier measures in atopic dermatitis [4]. Oats also protect hair, and oatmeal soap is a handmade-soap classic, making colloidal oat a true four-line ORY® ingredient.
What is Colloidal Oat made of?
Colloidal oatmeal is produced by dehulling, cleaning, and milling oat kernels to a defined fine particle size (USP monograph). Constituents [1, 2]:
ORY® uses USP-grade colloidal oatmeal from certified gluten-free oats where possible.
- Beta-glucans (polysaccharides): Form a moisture-holding, protective film; support barrier repair and immune signaling.
- Avenanthramides (polyphenols unique to oats): Anti-inflammatory and anti-itch; inhibit histamine release and NF-κB [3].
- Proteins (avenalin, avenin): Buffer pH and bind water; hydrolyzed oat protein coats hair.
- Lipids (oleic and linoleic acids, phospholipids, ceramides): Emollient barrier support.
- Saponins: Mild natural cleansers.
- Vitamin E, flavonoids, zinc, silica: Antioxidant and nourishing minor components.
What skin type is best suited for Colloidal Oat?
Colloidal oat suits all seven ORY® skin types and is the gold standard for itchy, eczema-prone skin:
- Sensitive: The primary use — FDA-recognized protectant for itch and irritation [1]; suitable for infants.
- Dry: Beta-glucans hydrate; lipids restore the barrier; clinical improvement in dryness [4].
- Mature: Barrier support and antioxidant avenanthramides; soothes thinning, itchy skin.
- Normal: Gentle cleansing and daily barrier maintenance.
- Combination: Calming masks and light lotions.
- Acne-prone: Anti-inflammatory; gentle saponin cleansing; non-comedogenic.
- Oily: Oat masks absorb oil while soothing.
What hair type is best suited for Colloidal Oat?
Oats soothe the scalp and protect the fiber:
- Sensitive scalp: Anti-itch avenanthramides relieve irritated scalps.
- Dandruff-prone scalp: Calms inflammation and itch; beta-glucans soothe flaking (not antifungal — pair with actives).
- Dry or damaged: Beta-glucans and hydrolyzed oat protein add moisture and reduce breakage.
- Curly and coily: Slip and softness in conditioners; scalp comfort under protective styles.
- Color-treated or chemically processed: Oat protein reinforces weakened fibers; soothes post-service scalp.
- Mature or thinning: Gentle scalp environment.
- Straight, wavy, oily scalp: Light oat-extract shampoos.
What are the benefits of Colloidal Oat?
Colloidal oat’s benefits are among the best documented of any botanical [1–4]:
- Anti-itch: Avenanthramides reduce itch and histamine response [3]; FDA-recognized for itch relief [1].
- Anti-inflammatory: Inhibits inflammatory cytokines and NF-κB; reduces redness [3].
- Barrier repair: Improves skin hydration and barrier function in atopic dermatitis [4].
- Skin protectant: Forms an occlusive, buffering film against irritants [1].
- Moisturizing: Beta-glucans bind water; lipids replenish.
- Gentle cleansing: Saponins cleanse without stripping.
- pH buffering: Oat proteins help restore normal skin pH.
- Hair and scalp: Soothes scalp itch; oat protein strengthens and softens hair.
- Soap: Classic gentle exfoliant and soother in oatmeal bars.
Dual use across ORY® product lines
Colloidal oat and its derivatives (extract, protein, beta-glucan, oil) cover all four ORY® lines.
| ORY® line | Dual use? | How it is used | Typical level |
|---|---|---|---|
|
ORY® Skincare |
Yes |
Eczema and sensitive-skin creams and lotions (skin-protectant monograph at ≥0.007%), bath soaks, masks, cleansers, after-sun, baby products. |
1–3% colloidal oat; 0.5–2% beta-glucan |
|
ORY® Haircare |
Yes |
Soothing shampoos and conditioners, scalp treatments, leave-ins (extract, protein, beta-glucan). |
0.5–3% |
|
ORY® Handmade Soap |
Yes |
Colloidal or ground oats at trace for a soothing, gently exfoliating bar; oat milk as partial water replacement. |
1–2 tbsp per lb |
|
ORY® Cosmetics |
Yes |
Calming primers, foundations for sensitive skin, setting powders (oat flour), lip balms. |
0.5–3% |
Pros and cons of Colloidal Oat
Pros
Cons
- FDA skin-protectant monograph: Clear claim support [1].
- Strong clinical and mechanistic evidence: [2, 3, 4].
- Suitable for infants and eczema: Exceptionally gentle.
- Multi-form: Colloidal powder, extract, protein, beta-glucan, oil.
- Affordable, sustainable, familiar: High consumer trust.
- Oat allergy: Sensitization documented in some children with atopic dermatitis; patch test [5].
- Gluten cross-contamination: Use certified gluten-free oats for celiac-sensitive customers (topical gluten is not absorbed, but reassurance matters).
- Preservation: Oat-containing water formulas are microbe-friendly.
- Texture: Powder can feel gritty or leave residue at high levels.
- Not corrective: Supportive for wrinkles or pigmentation.
What is the best application of Colloidal Oat?
Colloidal oat is a daily protector and rescue for itchy, dry skin:
- Eczema cream or lotion: Twice daily and after bathing; skin-protectant labeling.
- Bath soak: 1 cup colloidal oat in a lukewarm bath, 15 minutes, for widespread itch.
- Face mask: Weekly oat-honey mask for sensitive or oily skin.
- Gentle cleanser: Oat cleansing powder or milk.
- After-sun and post-procedure: With aloe and allantoin.
- Baby lotion and wash: With calendula and chamomile.
- Soothing shampoo and scalp treatment: For itchy, sensitive scalps.
- Soap: Oatmeal-honey or oat-milk bars.
- Cosmetics: Calming primer; oat-flour setting powder.
Peer-reviewed references
- Cerio R, Dohil M, Jeanine D, Magina S, Mahé E, Stratigos AJ. Mechanism of action and clinical benefits of colloidal oatmeal for dermatologic practice. Journal of Drugs in Dermatology. 2012;11(1):43–48.
- Kurtz ES, Wallo W. Colloidal oatmeal: history, chemistry and clinical properties. Journal of Drugs in Dermatology. 2007;6(2):167–170.
- Sur R, Nigam A, Grote D, Liebel F, Southall MD. Avenanthramides, polyphenols from oats, exhibit anti-inflammatory and anti-itch activity. Archives of Dermatological Research. 2008;300(10):569–574.
- Fowler JF, Nebus J, Wallo W, Eichenfield LF. Colloidal oatmeal formulations as adjunct treatments in atopic dermatitis. Journal of Drugs in Dermatology. 2012;11(7):804–807.
- Boussault P, Léauté-Labrèze C, Saubusse E, et al. Oat sensitization in children with atopic dermatitis: prevalence, risks and associated factors. Allergy. 2007;62(11):1251–1256.
Disclaimer:
The information on this page is provided by ORY International, LC for educational purposes only. It summarizes published research about colloidal oatmeal as an ingredient, including laboratory and animal studies and clinical studies of formulas that may differ from ORY® products. Results from these studies may not apply to every person or to ORY® products. This page is not medical advice and does not replace advice from a dermatologist, physician, or other qualified healthcare provider.
ORY® Skincare, Haircare, Handmade Soap, and Cosmetics products are cosmetics. They are not intended to diagnose, treat, cure, mitigate, or prevent any disease or condition, including eczema (atopic dermatitis), rashes, itching, poison ivy, insect bites, or dandruff. References to FDA or Cosmetic Ingredient Review (CIR) findings describe the ingredient, not ORY® products, and do not mean FDA has reviewed or approved any ORY® product.
Products that carry a Drug Facts label are over-the-counter skin protectant drugs; use them only as directed on that label. The statements above about cosmetics apply to ORY® products without a Drug Facts label.
Results vary by skin and scalp type, formulation, and use. Oat allergy is uncommon but has been reported, especially in children with atopic dermatitis, and any product can cause irritation, sometimes from other ingredients. Always patch test, follow label directions, and stop use if irritation occurs. If you are pregnant, nursing, have a medical condition, or are buying for a child, consult a healthcare provider before use.
ORY International, LC works to keep this page accurate and current but makes no warranty as to its completeness. To the fullest extent permitted by law, ORY International, LC is not liable for any loss or injury arising from reliance on this information or from use of any product contrary to its label directions. To report a reaction, contact us at [insert contact email / phone].
