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

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


INCI: Diazolidinyl urea

What is Diazolidinyl urea?

Diazolidinyl urea is a synthetic preservative used in various preparations. It releases formaldehyde in the process of using a product, which makes its use little objectionable.

Use & Benefits:

It is used as a preservative in self-care products like creams, lotions, baby wipes, hand washes, bubble bath, shampoos.  It is however used in safe concentration n any product to improve shelf life or stability of a product. It can be considered as a broad-spectrum antiseptic for bacteria as well as fungi. It is also used as a deodorizer because it helps by eliminating bacteria that produce foul smell in the sweat.

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?

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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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