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

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


INCI: Casein

What is Casein?

Casein is a protein found in milk in significant proportions. It comes as a white, odorless hygroscopic powder.

Use & Benefits:

It is mainly used as an emulsifier in various cosmetics preparations. It is valuable for har preparations, where it is considered a protein that makes hair manageable and voluminous as well. It is anti-static, so it stabilizes any static condition hair come across. It is used as protective in creams and lotions. A protective is a chemical that is inert for the skin but lethal for external stimuli. Thus, it improves the texture of hair or skin. It is also used as a film former in beauty masks. Its conditions skin and improves its appearance.

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.

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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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