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

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


INCI: Sodium borate

What is Sodium borate?

Sodium borate or borax powder is a chemical compound. It is a colorless, crystalline compound with solubility in water. It was first discovered in the 8th century AD, in dry lake beds in Tibet. It has a number of commercial uses, such as in the manufacturing of fiberglass, in detergents, as a flux, and in cosmetic products.

Use & Benefits:

Function as buffering and emulsifying agent in cosmetic and personal care products

Help maintain the normal pH balance of the skin

Provide protection to the skin from external factors such as microbes, irritants, and exposure to harmful rays

Help in reducing premature aging and irritation of the skin

Prevent detrimental effects on the skin such as itching and depletion of vital lipids

Maintain the pH balance of the product and prevent the skin's pH from shifting too far from the normal one

Offer product stability as an emulsifier by inhibiting component separation and allowing for equitable dispersion of components

Used in formulations of creams, lotions, bath products, and other skin and hair care 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?

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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