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

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


INCI: Leucine

What is Leucine?

Leucine is an essential amino acid, which cannot be synthesized in our body and we have to dependent on the diet to get it. It is also an alpha-amino acid with a simple structure. It is found in different nuts, such as peanuts, almonds, wheat germ, lentils, corn, chickpea, egg, fish, milk etc. 

Use & Benefits:

It is believed to readily absorb on the skin and help the skin carry out metabolism quickly. It also forms a layer around the skin and the hair which is protective in nature. It preserves the skin's inherent moisture and thus conditions the skin. It is when incorporated into skin structure, it may produce anti-aging effect by positively affecting skin’s metabolism. Other amino acids, improves wound healing of the skin. It is used in skincare and hair care products. 

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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