Active ingredient
Colloidal Oatmeal
INCIAvena Sativa (Oat) Kernel Flour
Last reviewed by BIOSAR Scientific Team, PharmD, Cosmetic Chemistry, Pharmacy practice on .
What it is
Colloidal oatmeal is a finely milled Avena sativa preparation listed by the FDA as an OTC skin protectant for itch and irritation. Its avenanthramides reduce inflammatory cytokine signalling, while beta-glucan supports the moisture barrier. Pairs broadly with most actives. No major conflicts.
Pregnancy and breastfeeding
Safe
Considered safe during pregnancy and breastfeeding.
Topical colloidal oatmeal is considered safe during pregnancy and lactation per Mother to Baby. FDA recognises colloidal oatmeal as a Category I OTC skin protectant; its safety profile is well established for general and infant care.
Mechanism in detail
What Colloidal Oatmeal does
Finely-ground oat. Soothes the appearance of irritation and supports the skin barrier. Common in dry and sensitive formulas.
Evidence
What the research says
- −54%Calms itch-prone skin fastIn a clinical study, a 1% colloidal oat cream cut mean Atopic Dermatitis Severity Index scores by 54% in just 14 days, alongside a 51% drop in Eczema Area and Severity Index. Visibly calmer, more comfortable skin, quickly.Read the study →J Drugs Dermatol 2020
Where it helps
Concerns Colloidal Oatmeal addresses
Dryness
Dryness is a barrier dysfunction in which skin loses water faster than it can retain or replenish it, presenting as flaking, tightness,…
Explore the concernSensitivity
If you have sensitive skin, you have probably been told it is in your head — by a product that says "gentle" on the label, by a friend…
Explore the concernSun Damage
Sun damage is the cumulative photoaging caused by ultraviolet radiation, presenting as solar lentigines, irregular pigmentation, fine…
Explore the concern
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