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

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


INCI: Benzoyl peroxide

What is Benzoyl peroxide?

Benzoyl peroxide is a member of the organic peroxide group, wherein two benzoyl groups are connected with the peroxide group. When benzoyl peroxide comes in contact with skin, it breaks down into benzoic acid and oxygen.

Use & Benefits:

Benzoyl peroxide has proven effects in acne treatment for years. It is antimicrobial, decreases the P.acnes concentration around the acne affected area when applied on a regular basis up to a certain percentage. It is also anti-inflammatory. It fights free radicals, decreases bacterial related TNF and interleukins to minimize inflammatory response as a result, pain, and redness are diminished gradually. Benzoyl peroxide is comedolytic, unblock the pores and allows the sebum to flow normally to the skin surface.

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.

Notice: the information collected here is limited in terms of use and scope. See terms and conditions.

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. 

  • All rights reserved 2023