Surfactant

Role details

Surfactants are used in a range of household cleaners and body care products. They help remove dirt and stains from things like your laundry, your skin and most hard household surfaces by breaking up the stains and keeping them dispersed. Without them, dirt and stains would not dissolve in water and could not effectively be removed. 

In order for stains to be removed, the individual particles that they are made of must be dispersed in a solvent such as water and washed away. The problem is, many of the substances that cause stains - like oils -  don't readily mix with water. This is due to the surface tension (called interfacial tension) between the two different types of substances. Surfactants help to reduce this interfacial tension, allowing the different substances to be mixed together. The name “surfactant” comes from this property, as it is derived from the words “surface active agent”. 

Each surfactant molecule is composed of a hydrophilic head that is attracted to water molecules, and a hydrophobic tail that repels water while being attracted to any oil or grease present in stains. They can then pull the stains away and suspend them in a solution to prevent them from being re-deposited.

The 4 main types of surfactants are categorised according to the + or - charge of the molecule's head.

1. Anionic surfactants: The head of the molecule is negatively charged. This is the most widely used type of surfactant for laundry, dishwashing and shampoo because of their excellent cleaning properties and high sudsing potential. They may require help from builders to work properly, especially if used in hard water. 

2. Cationic surfactants: The head of the surfactant molecule is positively charged. Most commonly used as a conditioning agent in fabric softener, hair conditioner and aiding the performance of anionic surfactants in laundry detergents. 

3. Non-ionic surfactants: The head of the surfactant molecule has no charge. This makes them more resistant to water hardness than anionic and cationic surfactants and means they are used in a variety of detergents because they are great at removing stains. 

4. Amphoteric/zwitterionic surfactants: The names 'amphoteric' and 'zwitterionic' are interchangeable and means that the head can be cationic (positively charged), anionic (negatively charged) or non-ionic (not charged), depending on the pH of the solution. These are a better option for personal care products because of their mildness and dermatological profile.

Role Ingredients

成分 健康和環境保護 Used in EWG Rating
Low hazard for health. Plant derived, biodegradable and suitable for greywater and septic tanks. 純淨寶寶柔嫩潤膚乳, 純淨潤髮乳-控油洗淨, 純淨潤髮乳-一般中性, 純淨護髮素-乾燥受損染燙 , 純淨護手霜, 純淨身體乳, 純淨潤髮乳-毛鱗滋養, 身體滋養霜 1 - 1
Low hazard for health. Biodegradable and suitable for greywater and septic tanks. 純淨寶寶柔嫩潤膚乳, 純淨洗手露, 純淨洗髮精-控油洗淨, 純淨潤髮乳-控油洗淨, 純淨潔手泡泡, 純淨潤髮乳-一般中性, 純淨護髮素-乾燥受損染燙 , 純淨護手霜, 純淨身體乳, 純淨洗髮精-乾燥受損染燙, 純淨洗髮精-毛鱗滋養, 純淨潤髮乳-毛鱗滋養, 身體滋養霜, 純淨洗髮精-一般中性 0 - 0
Low hazard for health. Plant derived, biodegradable and suitable for greywater and septic tanks. 純淨寶寶柔嫩潤膚乳, 純淨護手霜, 純淨身體乳, 身體滋養霜 0 - 0
Low hazard for health. Plant derived, biodegradable and suitable for greywater and septic tanks. 純淨寶寶柔嫩潤膚乳, 純淨護手霜, 純淨身體乳, 身體滋養霜 0 - 0
Low hazard for health. Plant derived, biodegradable and suitable for Greywater and septic tanks. 純淨洗手露, 純淨洗髮精-控油洗淨, 環保洗碗精, 純淨洗髮精-乾燥受損染燙, 純淨洗髮精-毛鱗滋養, 超濃縮環保洗衣粉(直立式&滾筒式適用), 純淨洗髮精-一般中性, 超濃縮環保洗衣精 0 - 0
Low hazard for health. Plant derived, biodegradable and suitable for greywater and septic tanks. 純淨寶寶香皂-羊奶薰衣草, 純淨香皂-檸檬草, 純淨香皂-甜椰子, 純淨香皂-香草, 純淨香皂-麥蘆卡蜂蜜海藻, 純淨香皂-純羊奶 0 - 0
Low hazard for health. Plant derived, biodegradable and suitable for greywater and septic tanks. 純淨寶寶香皂-羊奶薰衣草, 純淨香皂-檸檬草, 純淨香皂-甜椰子, 純淨香皂-香草, 純淨香皂-麥蘆卡蜂蜜海藻, 純淨香皂-純羊奶 0 - 0
Low hazard for health. Plant derived, biodegradable and suitable for greywater and septic tanks. 毛料精緻衣物洗衣精, 環保洗碗精, 超濃縮環保洗衣精 0 - 0
Low hazard for health. Plant derived, biodegradable and suitable for greywater and septic tanks. 純淨寶寶泡泡浴, 毛料精緻衣物洗衣精, 環保洗碗精, 超濃縮環保洗衣精 0 - 0
Low hazard for health. Plant derived, biodegradable and suitable for greywater and septic tanks. 環保浴廁清潔噴霧, 環保玻璃清潔噴霧, 毛料精緻衣物洗衣精, 環保超濃縮多用途清潔劑, 環保馬桶清潔劑 0 - 0
Low hazard for health. Plant derived, biodegradable and suitable for greywater and septic tanks. 純淨寶寶晚安泡澡入浴劑 0 - 0
Low hazard for health. Plant derived, biodegradable and suitable for greywater and septic tanks. 純淨寶寶沐浴露, 純淨寶寶洗髮精, 純淨沐浴露 0 - 0
Low hazard for health. Plant derived, biodegradable and suitable for greywater and septic tanks. 純淨寶寶沐浴露, 純淨洗手露, 純淨寶寶洗髮精, 純淨潔手泡泡, 純淨沐浴露 0 - 0
Low hazard for health. Plant derived, biodegradable and suitable for greywater and septic tanks. 純淨洗手露, 純淨寶寶泡泡浴, 純淨寶寶洗髮精, 純淨洗髮精-控油洗淨, 純淨潔手泡泡, 毛料精緻衣物洗衣精, 純淨洗髮精-乾燥受損染燙, 純淨洗髮精-毛鱗滋養, 純淨沐浴露, 純淨洗髮精-一般中性, 環保衣物柔軟精 0 - 0
Low hazard for health. Plant derived, biodegradable and suitable for Greywater and septic tanks. 純淨洗手露, 純淨潔手泡泡 0 - 0
Low hazard for health. Plant derived, biodegradable and suitable for greywater and septic tanks. 全效合一洗碗錠(30錠) 1 - 2
Low hazard for health. Plant derived, biodegradable and suitable for greywater and septic tanks. 純淨洗髮精-控油洗淨, 純淨洗髮精-乾燥受損染燙, 純淨洗髮精-毛鱗滋養, 純淨洗髮精-一般中性 0 - 0
Low hazard for health. Plant derived, biodegradable and suitable for greywater and septic tanks. 純淨洗手露, 純淨寶寶泡泡浴, 純淨寶寶洗髮精, 純淨洗髮精-控油洗淨, 純淨潔手泡泡, 毛料精緻衣物洗衣精, 純淨洗髮精-乾燥受損染燙, 純淨洗髮精-毛鱗滋養, 純淨沐浴露, 純淨洗髮精-一般中性, 環保衣物柔軟精 1 - 1
Fractionated Coconut Oil is a low hazard for health. Plant derived, biodegradable and suitable for greywater and septic tanks. 純淨寶寶柔嫩潤膚乳, 純淨護手霜, 純淨身體乳, 身體滋養霜 1 - 1
Low hazard for health. Plant derived with a synthetic portion, biodegradable and suitable for greywater and septic tanks. 環保洗碗精 1 - 1
Low hazard for health. Plant derived with a synthetic portion, biodegradable and suitable for greywater and septic tanks. 環保洗碗粉 1 - 1
Low hazard for health. Plant derived, biodegradable and suitable for Greywater and septic tanks. 超濃縮環保洗衣粉(直立式&滾筒式適用) 0 - 0