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Commonly Used Amphoteric Surfactants in Detergents Commonly Used Amphoteric Surfactants in Detergents

In our daily laundry and dishwashing, detergents are our good helpers. However, the components inside that small bottle of detergent contain a lot of knowledge. Today, let's delve into the "low-key yet super powerful" amphoteric surfactants. Amphoteric surfactants are not produced in high quantities in the surfactant family and usually do not play the "leading role" in detergent formulations. Nevertheless, with multiple capabilities like cleaning, antistatic properties, and softness, they have undoubtedly become the "secret weapon" for improving the feel of washed items.


Dodecyl Dimethyl Betaine (BS - 12): The All-Round Guardian


BS-12 has a complex name, but its abilities are straightforward. It is proficient in cleaning, softening, antistatic properties, foaming, and wetting. It can perform well even in hard water and has a corrosion-inhibiting effect on metals. It is very gentle on human skin, almost non-irritating to the eyes, and is easily biodegradable, making it quite environmentally friendly.


In personal hygiene products like shampoos, it pairs perfectly with anionic surfactants, being a "bombshell" when used together. When combined, the foam is abundant and delicate, reducing the irritation of anionic surfactants on the skin. After washing, the hair becomes smooth and easy to comb through, and the viscosity of the shampoo can even be increased.


In detergents and soaps, its excellent calcium soap dispersing ability allows it to work seamlessly with nonionic and anionic surfactants. Whether it is the ability to handle hard water or cleaning, penetration, and foaming effectiveness, its performance is outstanding. Next time you use a detergent, pay attention to the ingredient list; you might just find this "little guardian."


Cocamidopropyl Betaine: The Gentle Protector


It is extremely gentle on the eyes and skin, causing very little irritation.


It is proficient in cleaning, conditioning, antistatic properties, and antibacterial properties. Its softness is excellent; it produces rich and stable foam and can help regulate product viscosity.


In personal cleansing products like shampoos, foam baths, and facial cleansers, especially in baby cleansing products, it is often found. When choosing cleaning and care products for babies, pay extra attention to this ingredient.


Using a body wash containing this, bathing feels like giving the skin a comfortable cleaning SPA, making the skin clean and comfortable.


Cocamidopropyl-2-Hydroxy-3-Sulfo Betaine: The Versatile Handy Helper


It can work happily with various surfactants, reducing the irritation of other surfactants.


It produces rich and delicate foam, unaffected by pH levels, and remains stable in hard water. It also has conditioning and antistatic capabilities and performs steadily over a wide range of pH levels.


Its application scope is very broad. It can serve as a foaming agent, detergent, and water-soluble aid. It can be found in high-end shampoos, bath products, conditioners, skin cleaners, skincare agents, baby cleansing products, and household and dishwashing detergents, significantly enhancing product performance.


2-Alkyl-N-Hydroxyethyl-N-Hydroxypropyl Sulfoimidazoline: The Multi-Purpose Practical Choice


It is an amber liquid with good cleaning, wetting, and foaming properties, causing low irritation to the eyes and skin. It can be used in shampoos, foam baths, fabric-specific detergents, softeners, wetting agents, and metal hard surface cleaners. For example, using a fabric-specific detergent containing this ingredient not only cleans the clothes but also makes them softer. When cleaning metal hard surfaces, its properties ensure thorough cleaning of surface dirt.


Sodium Lauroyl Sarcosinate: The Potential Star


It produces rich, delicate, and stable foam, is mild and non-irritating, and has strong antibacterial and cleaning properties, with excellent biodegradability. However, due to cost reasons, it is not yet widely used in detergents. But it can already be found in laundry detergents, facial cleansers, body washes, shampoos, face masks, and toothpaste. With technical advancements and cost reductions, it will shine brightly in the detergent field in the future.


Although amphoteric surfactants have low production levels, their unique properties make them irreplaceable in the fields of detergents and more. As environmental and health concepts become deeply rooted in people's hearts, amphoteric surfactants will have broader development space.

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