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C20-40 PARETH-40

INCI: C20-40 Pareth-40

What is C20-40 Pareth-40?

It is a synthetic PEG ether. C20-40 is the carbon chain length of mixed synthetic alcohol, and 40 stands for average 40 moles of ethylene oxide. PEG ethers are lipophilic, lightweight and have a right amount of acceptability and stability in a product.

Use & Benefits:

Similar to other PEG esters, it is used as an emulsifying agent or surfactant in various products. It also forms a light, clear and occlusive film on skin or hair, thus act as a conditioner for hair and skin.

Personalized & Adaptive skincare system

Create your own custom skincare and  adapt it to your skin changes

How to create your own Personalized Skincare with Lesielle?

Icons of the lesielle custom skin care system

Step 1: Select a nourishing base compatible with your skin, and your desired moisturization level

Step 2: Complete your treatment with up to four active ingredients for consistent and occasional use.

Step 3: Insert your base and up to four actives ingredients into your Lesielle device to produce a fresh single dose of face cream on demand when you need it.

Complete your routine with a cleanser and other complimentary products and accessories.


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The skincare system for an ever evolving skin, using recognized active ingredients with scientifically proven efficacy to create treatment tailored to each day's State of Skin. 

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