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

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


INCI: Citrate buffer

What is Citrate buffer?

Citrate buffer is a mixture of acid-Citric acid and salt- Sodium citrate. Buffers are mainly used to adjust the pH of any formulation.  It cannot be used in excessive amount because it may cause sensitization.

Use & Benefits:

It is used in any formulation to stabilize ingredients. It maintains pH towards acidic side. Sometimes, in order to make a formulation lesser reactive to environmental factors like heat or moisture, buffering agents are used. They can improve shelf life also.

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.


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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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