Clarteis is a French medical device company specialized in the development and manufacturing of innovative solutions for dermatology. Its flagship device, exciplex, is a targeted 308-nm monochromatic excimer light system designed to treat localized skin conditions such as vitiligo, psoriasis, atopic dermatitis, alopecia areata, and other inflammatory dermatoses.

Designed and manufactured in France, exciplex® is CE-certified and FDA-cleared. Combining precision, ergonomics, and ease of use, it enables dermatologists to deliver targeted phototherapy while preserving the surrounding healthy skin.

Today, Clarteis works with distributors, clinics, and healthcare professionals in more than 50 countries worldwide, supporting the adoption of targeted phototherapy and advancing patient care through reliable, high-quality medical technology.