Twin-C The Companion for Elle


Twin.C by IEVA is the connected jewel that measures your environment for a custom Beauty Ritual. Now, anticipation of the effects of the environment on aging is possible ...

A small piece of technology, Twin.C measures in real time the environmental stress, responsible for the premature aging of the skin, and translates these measures with fully personalized beauty recommendations.

Wear Twin.C The Companion version, the refined and discreet connected jewel designed for the urban and liberated styles.

What it does:

Twin.C measure in real time using 6 integrated sensors:
-indoor pollution: rates of CO2 and volatile Oraganic compounds (VOCs)
-Temperature & Humidity
-UV Index

Via the mobile application IEVA, Twin.C alerts you during the peaks of outdoor pollution, pollen or UV.

Find artworks each day, tips and tips written in collaboration with doctors, nutritionists and dermatologists to help you act on your environment and anticipate its effects in order to preserve your beauty capital.

Complete on the IEVA App, the fully digital cutaneous and capillary diagnositc, via dermatological patches and algorithms in Artificial Intelligence.

Possibility to subscribe to the MonMoiBeauté subscription on the IEVA Appli to receive personalized full-size cosmetic care every month according to your environmental measures and according to your skin and capillary needs, derived from the results of your diagnosis Beauty.

What you need to know:

-6 integrated sensors: CO2, VOCs, noise, temperature, humidity, brightness, UV, activity
-Battery long duration, range 5 to 6 days, loading 3h + /-30 min
-Bluetooth Low Energy BLE 4.2
-Mobile application available on Google Play and Apple Store. Compatible with iOS 10.0 or higher, Android 7.0 or higher. Languages: English, French.
-Skin and capillary diagnostic kit


IEVA is first of all a technological know-how acquired for more than twenty years through the experience of its experts in micro-electronics, micro-mechanics and artificial intelligence. It is a novel patented technology of sensors, to collect in real time the data of your environments, to anticipate and act on the effects of pollution, UV, etc. that participate every day in premature aging of the skin and hair. Today, environmental stress is as responsible for premature aging as the genetic heritage.
Using the connected jewel Twin.C by IEVA, act on your environment to preserve your beauty, thanks to the connected jewel Twin.C and its mobile application. With the IEVA technology and the connected jewelry Twin.C, take care of you differently ...


Measure your environment in real time with Twin.C: fine particles in the air, humidity in your bedroom, your UV exposure or your activity ... All these environmental factors that contribute in part to premature aging of your skin and hair.
Browse every day the IEVA mobile application and find the solution adapted to your environment to preserve your beauty capital: articles, expert advice and fully customised beauty recommendations.
Thanks to the dermato-cosmetic expertise of IEVA and its partner cosmetic brands, it is now possible to create its Beauté sur mesure, thanks to a diagnosis of unreported skin in the world of cosmetology, in keeping with the needs of its skin, hair and according to its environment.
The IEVA technology through its connected jewel Twin.C and the mobile app offers a complete solution to preserve your beauty.

All orders placed before noon are shipped the same day.

France: delivery offered on orders of 50 and more. Below, a package of 3.95 euros is applied.
Other countries: a flat fee of 9.95 euros is applied.
DOM TOM: a package of 14.95 euros is applied.

For comfort, we offer 3 modes of delivery:
Colissimo Relais, Colissimo Domicile and Chronopost.

    Other countries, consult us.


    From the moment the order leaves our warehouse, it is delivered within 1 to 4 business days (depending on the carrier chosen and the country of destination). All orders are processed from Monday to Friday, excluding Sunday and public holidays.

    France, Andorra, Belgium, Luxembourg, Monaco 2-3 working days 24 hours
    Other countries 3-4 working days 24-72 hours


    Returns within 15 days

    You have 15 days delivery date to change your mind. More info

    payment methods

    We accept the following payment methods for online purchases:

    • Credit card: Visa, MasterCard, Carte Bleue, American Express
    • PayPal

    All transactions made on the site are highly secure in https (small closed padlock in the address bar).

    you will certainly like