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

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


INCI: Ferric ammonium ferrocyanide

What is Ferric ammonium ferrocyanide?

Ferric ammonium ferrocyanide is also known as Iron blue. It is a synthetic inorganic coloring pigment. Chemically, it is a quaternary ammonium salt. It is a straight color, not a lake or mixture. A straight color is in the purest form it is not mixed or modified to get the final product.

Use & Benefits:

It is used in the formulation of the face and eye makeup like compact powders, liquid makeup products, lipsticks, lip gloss, blushes, mascara, nail lacquers, etc. It is also used in bath products, hair coloring products, and skincare products.

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?

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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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