The World's Leading Skincare Glossary, brought to you by Lesielle

The 1st Customized Skincare System that Adapts to YOUR Changing Needs

C11-15 PARETH-7

INCI: C11-15 pareth-7

What is C11-15 pareth-7?

It is a moderate molecular weight, polyethylene glycol ether of a mixture of synthetic fatty alcohols with ethylene oxide.

Use & Benefits:

It is used as an emulsifier. It is mostly used in hair care, sometimes in a micro-fine size to get desired results. It is also used as a conditioning agent. C11-15 pareth-7 is considered non-sensitizing and safe for skin and hair products when used in normal concentrations.

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.


Don't you know what Base and Actives your skin needs?

Take our personalized skincare quiz.

Notice: the information collected here is limited in terms of use and scope. See terms and conditions.

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. 

  • All rights reserved 2023