Zein
Also known as: corn protein
Zein is the primary prolamin storage protein isolated from corn kernels. In haircare and skincare, it forms a cohesive, biodegradable coating that helps shield fibers, seal in hydration, and reduce friction. It is widely valued in leave-on hair treatments for cuticle smoothing and breakage reduction.
Conditioning agent and film formerVegan
BenefitModerate 2.2 / 4
Barrier support i1.4 / 4
Whether it supports the skin barrier — restoring lipids, reducing water loss, aiding barrier repair, or strengthening the skin’s protective function.
Hydration i1.2 / 4
Whether the ingredient helps increase the skin’s water content — humectants that attract water, ingredients that reduce water loss, or ones that make skin feel less dry.
RiskVery low 0.3 / 4
Sensitization i0.2 / 4
Risk of allergic contact dermatitis or immune-based reactions. Fragrance allergens, preservatives, botanicals, and some dyes may score here.
Rated by SpottyLabs' ingredient methodology, independent of brands.
What it helps with
- Reinforces and conditions hair cuticles
- Reduces surface friction and mechanical breakage
- Forms a moisture-retaining protective barrier
Things to watch
- Theoretical reaction in individuals with severe corn allergy
Pairs well with
- Panthenol — Panthenol penetrates to hydrate while zein seals the cuticle surface.
See how this matches your skin
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Products with Zein
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Frequently asked questions
- Is zein safe for people with corn allergies?
- Purified cosmetic proteins rarely trigger systemic allergies, but individuals with severe corn allergy should perform a patch test.
- How does corn protein help damaged hair?
- It adheres to lifted cuticles along the hair shaft, restoring smoothness, reducing moisture loss, and improving tensile resistance.
