Baby Diaper
Baby Pull Up Pants
Adult Diaper
Sanitary Napkin
Wet Wipes
Tissues Paper
Disposable Cotton Soft Towel
Pet Diaper
Amphoteric Surfactants: The Sensitive-Skin Solution
Amphoteric surfactants, such as betaines and imidazolinium derivatives, carry both positive and negative charges depending on the pH of the formulation. This unique property gives them several advantages:
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Excellent rewet resistance: The dual charge allows amphoteric surfactants to form a mild, moisture-repelling film on the skin surface, reducing the amount of liquid that returns to the skin under pressure.
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Superior skin mildness: Their charge-balanced structure interacts gently with skin proteins, minimizing disruption of the skin barrier. This makes them ideal for sensitive-skin products.
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Synergy with other surfactants: Amphoteric surfactants can be blended with anionic or non-ionic surfactants to reduce the overall irritation potential while maintaining cleaning performance.
Why Amphoteric Surfactants Are Better for Sensitive Skin
For sensitive-skin Wet Wipes, the formulation must minimize irritation while still providing effective cleaning and moisture management. Amphoteric surfactants achieve this balance through their unique molecular structure:
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They do not strip the skin's natural oils as aggressively as anionic surfactants.
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They form a mild, non-tacky film that helps lock moisture in the wipe and reduces rewet.
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They are less likely to cause redness, stinging, or allergic reactions, even with frequent use.
Why This Matters for Procurement
For buyers, the choice of surfactant system is a key indicator of product positioning. Anionic surfactants signal a focus on cleaning power and cost efficiency, suitable for general-purpose wipes. Non-ionic surfactants offer a middle ground with good mildness and moderate performance. Amphoteric surfactants, particularly when used as the primary surfactant or in blends, indicate a premium, sensitive-skin-friendly formulation. When reviewing technical specifications, look for surfactant type and concentration—these details reveal whether the product is designed for everyday use or for the most delicate skin.