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Knowing many active ingredients and their mechanisms of action as well as their uses in cosmetics will be very beneficial for you, today let’s learn more about an active ingredient in cosmetics, which is laureth-7. .
What is Laureth-7?
Laureth-7 is a functional synthetic agent widely used in daily personal care products such as lotions, conditioners, shower gels, deodorants…
Laureth-7’s Mechanism of Action
Laureth-7 has the scientific name of ethoxylation, a clear, colorless liquid, it is formed by a chemical reaction in which ethylene oxide is added to a substrate , the substrate is lauryl alcohol obtained by lauric acid, This substance is found in palm kernel oil or coconut oil.
Laureth-7 indicates the number of repeating ethylene oxide units in the molecule. This substance acts as an emulsifier and surfactant, they have the effect of attracting dirt and dissolving them, so it is often used in some cosmetics, detergents, …
Uses of Laureth-7 in cosmetics
Laureth-7 acts as an emulsifier and surfactant.
Emulsifier
Emulsifiers are necessary for products containing oil and water, you can easily imagine how oil and water mix together when we shake vigorously they will disperse oil or water droplets but when stopped they stop detached.
To solve this problem, an emulsifier will be added to the mixture to help the droplets disperse and create a stable emulsion. Laureth-7 has the property of being one hydrophilic and one hydrophobic, the hydrophilic head towards the water phase and the hydrophobic end towards the oil phase.
This helps laureth-7 to reduce surface tension by keeping itself in place at the oil, water or air interface, which has a stabilizing effect on the emulsion.
Surfactants
Laureth-7 also functions as a surfactant, which can reduce the surface tension between two compounds such as solid and liquid. In cosmetics, this substance has the function of reducing and emulsifying oils and fats, removing dirt.
Laureth-7 can attract oil, dirt, and other impurities that accumulate on the skin and clean them. Because of this function, laureth-7 is found in many detergents and shower gels.
Is Laureth-7 safe? Note when using
The Cosmetic Review Panel (CIR) has concluded laureth-7 is safe only when used in non-irritating cosmetics, so it has the potential to cause skin irritation.
In particular, the ethoxylation process can contaminate 1,4-dioxane, which is a carcinogen in animals, and also causes skin allergies.
According to a study by the Environmental Working Group (EWG) , a famous American environmental working group rated Laureth-7 with a score of 3 out of a total of 10 points, in which 1 point is the lowest level of health hazard, level 10 is the highest level.
Note when using:
- Consult a specialist or dermatologist before using laureth-7.
- Skin with acne, sensitive skin should consider before using.
- If in case of irritation caused by the use of laureth-7, you should stop immediately and consult a doctor for timely treatment.
Hopefully, the sharing about the active ingredient laureth-7 that lassho.edu.vn sent to you will help you, remember to be careful before using any compound.
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