Corn Silk Extract (Zea mays Silk Extract) comes from the soft, thread-like fibres that surround an ear of corn. In skincare, it’s valued for being gentle, soothing, and easy to formulate with. Naturally rich in polysaccharides, flavonoids and trace minerals, it helps skin feel calm and comfortable while adding a light, breathable moisture film. Think of it as a comfort booster that plays nicely with most routines.
What it does
-
Soothes: The polysaccharide matrix helps reduce the feel of tight, prickly or wind-stressed skin and can visibly temper temporary redness after cleansing or mild exfoliation.
-
Hydrates (lightweight): Creates a soft, non-greasy film that slows transepidermal water loss and improves slip in watery formulas.
-
Antioxidant support: Gentle phenolics provide everyday defence against environmental stressors (to complement—not replace—broad-spectrum SPF).
-
Scalp & hair comfort: In shampoos and leave-ons it adds slip and a silky afterfeel without build-up.
Skin suitability
-
Works for normal, dry, combination and oily skin.
-
A good pick when skin is reactive, seasonally dehydrated or in post-treatment maintenance (non-broken skin).
-
Typically low-sensitising and fragrance-lean; ideal for minimalist, barrier-first formulas.
Formulation guidance
-
Solubility: Water-soluble; drop into toners, essences, hydrating serums, gel creams, sheet masks, micellar waters and low-foam cleansers.
-
Use levels: Generally 0.2–2% for leave-on; can go higher in rinse-off or spot-soothing gels depending on extract potency.
-
pH: Comfortable around 4.5–7.0 (confirm supplier specs).
-
Processing: Add in the cool-down phase (<40–45 °C) to protect delicate components. Pair with a suitable broad-spectrum preservative.
-
Compatibility: Plays well with glycerin, betaine, panthenol, aloe, niacinamide, ectoin, beta-glucan, ceramide systems and gentle actives (PHAs, low-dose AHAs, azelaic derivatives, starter-strength retinoids).
Product formats
-
Daily hydrators: Comfort-first toners/essences and featherweight serums.
-
Recovery care: After-sun gels, post-exfoliation masks and barrier resets.
-
Cleansers: Micellar and gel cleansers that clean without leaving skin squeaky.
-
Haircare: Balancing shampoos, scalp mists and lightweight conditioners.
Sensory & stability
-
Adds a silky slip and subtle cushion without tack or oiliness.
-
Colour may run pale yellow to light amber and can impart a slight tint to very clear gels.
-
Store cool, away from light; check your supplier’s solvent system (e.g., water/glycerin) and adjust preservative and label accordingly.
Labelling & claims inspiration
-
“Soothing,” “Hydrating,” “Comforting,” “Supports skin barrier,” “Light antioxidant support.”
-
Often vegan and readily biodegradable when responsibly sourced; confirm non-GMO and allergen statements per documentation.
Formulator tips
-
Use it to soften the edge of active routines (retinoids, acids) and improve tolerance.
-
In scalp care, combine with zinc PCA or mild surfactant bases for calm, clean feel.
-
For marketing stacks, pair with niacinamide + panthenol for a gentle “hydrate + soothe + defend” story.
Properties
Hair nourishment, Emollient
INCI Name
Zea mays Silk Extract
