My Skin Track FAQs

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ABOUT THE SENSOR

What is My Skin Track UV?
My Skin Track UV by La Roche-Posay is the first battery-free wearable electronic sensor to monitor personal UV exposure. The personalised technology provides updates in real-time, stores up to three months of data and shows exposure trends over time. My Skin Track UV and its accompanying app make personal UV data easily accessible, allowing users to track their UV exposure—as well as humidity, pollen and pollution levels—and get a customised skincare recommendation based on their skin concerns.

How does the sensor work?
The battery-free sensor is activated by the sun and powered by the user’s smartphone using near-field communication. My Skin Track UV relays stored data to its accompanying app through an easy single-touch function: users simply tap My Skin Track UV against their smartphone to update the app.

Why doesn’t the sensor need a battery?
The battery-free sensor is activated by the sun and powered by the user’s smartphone using near-field communication. Near-field communication is a method of close-range wireless data transfer that allows two devices to exchange data without the need for an internet connection. NFC-equipped smartphones and other devices can exchange information with each other with an easy wave or tap.

How do I turn the sensor on/off?
The sensor does not need to be turned on or off because it is battery-free. You can start using it at any time. And even if you don’t use it for a prolonged amount of time, it will not impact the quality of the sensor.

How long will the sensor last?
As the sensor is battery-free, it can last for years if the condition is well maintained.

How do I charge the sensor?
There is no need to charge the sensor because it is battery-free.

What types of phones is the sensor compatible with?
The sensor is compatible with NFC-enabled smartphones. iPhone 7 and later versions are all NFC-enabled. Most Android phones since 2015 are also NFC-enabled.

How do I know if my phone is NFC-enabled?
iPhone 7 and later versions are all NFC-enabled. Most Android phones since 2015 are also NFC-enabled. If you’re not sure, check the specifications of your phone online. There are also free apps that allow to test your phone to determine if it is NFC-enabled.

Will the sensor ever be compatible with older models of phones?
No – the sensor can only work with NFC-enabled phones which are relatively recent phone models. Older phones cannot be updated to be NFC-enabled so the sensor will not work with them.

My phone is not NFC-enabled. Can I use the sensor any other way?
No, the sensor is only compatible with NFC-enabled phones.

Does the sensor work on tablets?
No, the sensor only works with NFC-enabled smartphones – therefore the My Skin Track UV app is only developed for smartphones, not tablets. Currently, most tablets on the market are not NFC-enabled.

Does the sensor work on the Apple watch?
While the app integrates seamlessly with Apple’s HealthKit, it does not sync with the Apple watch as it is not equipped with NFC technology.

When and how frequently should I scan the sensor?
You can scan the sensor as often as you’d like. We recommend scanning at least twice a day: at the beginning of the day and at the end. If you are outdoors, it is recommended to scan at least every two hours.

Can multiple people use the same sensor?
Multiple users cannot simultaneously use the same sensor, however multiple users can use the sensor at alternating times. Before giving the sensor to someone else to use, scan the sensor with your phone using the My Skin Track UV app to empty the sensor memory and download the stored data to your phone. The next user will have to create his/her own profile, entering information about skin tone, skin type and skin concerns.

How do I scan the sensor with my phone?
When in the My Skin Track UV app, tap the sensor icon on the top right corner of the home screen. This will open a pop-up on your screen prompting you to scan your sensor. Place the sensor in direct contact with your phone, on the area of your phone where the NFC reader is located. If you’re unsure where the NFC reader on your phone is located, check your profile on the My Skin Track UV app. You can select the model of your phone in the NFC Reader Location section and the app will indicate where the NFC reader is located.

Can I scan the sensor with a case on my phone?
Most phone cases won’t interfere with scanning, but if you are having trouble getting a read, try removing your case. Occasionally, the material or the thickness of the case might inhibit scanning.

How and where should I wear the sensor?
The circular sensor is equipped with an enclosed metal clip. The clip can then be easily attached to your clothes and accessories. Make sure that the sensor is facing outwards while wearing it to ensure it is getting exposed to light.

How do I know if the sensor if working or not?
There is no power indicator on the sensor because it is always on. If you’re wondering if it is working properly, simply open the My Skin Track UV app and scan the sensor with your phone. A functioning sensor will sync with the app, you will only receive a notification if the app is unable to successfully read the sensor.

Can I put sunscreen on my sensor?
No you should not put sunscreen on your sensor.

Does the sensor work if it is covered? Can I put my sensor under my clothes?

For accurate results, the sensor must be uncovered and exposed to light to measure your UV exposure most accurately. If covered, the measurement might not reflect the actual amount of UV exposure your skin has received.

Does the sensor work indoors?

Yes the sensor works both indoors and outdoors.

Will the sensor alert me before I get a sunburn?
The companion app will alert you when the UV index is high or when your percentage of maximum sunstock is high based on your location, your skin-type and your collective time in the sun. However the sensor cannot predict or prevent sunburn. The higher the UV index and the higher your percentage of maximum sunstock, the higher the risk of overexposure to the sun. Apply 20 minutes before sun exposure. Frequent re-application is required for effective sun protection. ALWAYS READ THE LABEL. FOLLOW THE DIRECTIONS FOR USE. Reapply every 2 hours and after swimming, toweling and perspiring in accordance with directions. Avoid contact with eyes. Sunscreen is only one part of sun protection so wear protective clothing and seek shade. Frequent re-application is required for effective sun protection. Reapply every 2 hours and after swimming, towelling and perspiring in accordance with directions. Avoid prolonged exposure in the sun. Wear protective clothing, hats and eyewear when exposed to the sun.

What is the size of My Skin Track UV?
The discreet wearable sensor is 12mm wide and 6mm high, and weighs 17.4 grams, including the clip.

Is it safe for children to use the sensor?
Yes, however because of the senor’s small size, we recommend that it only be used for children ages three and up.

Is the sensor resistant to water and liquids – can I swim with it?
The sensor is IP67 resistant which means it can resist water for up to 30 minutes if immersed in 3 feet of water or less.

Will the sensor work if I accidentally left it on my clothes in the washing machine?
The sensor may stop working if immersed in water for more than 30 minutes. To verify if your sensor still works, use the My Skin Track UV app and try to scan your sensor.

What is the warranty of the sensor?
The details of the warranty for the sensor can be found by clicking here.

What is the sensor’s return policy?
Please verify the return policy of the retailer you purchased the sensor from. Return policies are typically available on the retailer’s websites.

ABOUT THE APP

What information does the app provide?
The app provides user-friendly, customised data about the wearer’s personal UV exposure and provides additional information including UV index, weather, air quality, pollen, and humidity. The user can input personal information including their skin concerns and the app provides skincare tips and product recommendation as well as notifications when environmental factors reach levels that may have an impact on skin.

Where can I download the app?
The My Skin Track UV app can be found in the App store and on Google Play.

Can I use the app without the sensor?
The sensor is needed to measure your personal exposure to UV and to receive alerts. However, without the sensor, you are still able to access partial information based on your location, such as weather and temperature.

What does maximum sunstock mean?
Your "maximum sunstock” is a customised value representing the maximum amount of UV rays your skin may be exposed to before being considered at higher risk, according to a scientific review by a team of scientists and dermatologists. This value takes the information you provided about your skin tone into account along with the UV index. Dermatologists recommend wearing sunscreen daily, even when UV exposure is low: wear sunscreen, reapply regularly and limit time in the sun.

What does the percent of maximum sunstock mean?
The percent of maximum sunstock is an indication of the amount of UV you’ve been exposed to in relation to your calculated personal maximum sunstock.  Essentially it is a gauge of your personal UV consumption and level of risk.

Do I need to wear sunscreen if I’m not reaching 100% of maximum sunstock?
We recommend using sunscreen daily, even if your percent of maximum sunstock is under 100%. Even low doses of UV exposure can be detrimental for your skin. To help prevent sunburn and premature skin ageing, pigmentation and long-term skin cell damage, choose a sunscreen with very high UVA/UVB protection. Apply 20 minutes before sun exposure. Frequent re-application is required for effective sun protection. ALWAYS READ THE LABEL. FOLLOW THE DIRECTIONS FOR USE. Reapply every 2 hours and after swimming, toweling and perspiring in accordance with directions. Avoid contact with eyes. Sunscreen is only one part of sun protection so wear protective clothing and seek shade. Frequent re-application is required for effective sun protection. Reapply every 2 hours and after swimming, towelling and perspiring in accordance with directions. Avoid prolonged exposure in the sun. Wear protective clothing, hats and eyewear when exposed to the sun.

Why is my percent of maximum sunstock not decreasing after I applied sunscreen?
Your sensor measures UV exposure independently of whether or not you applied sunscreen. It is an indicator of the level of UV rays that you have been exposed to.

Why is my percent of maximum sunstock increasing although I wasn’t in the sun most of the day?
Even when not directly in the sun, UV rays can still reach your skin.

Does the app measure both UVA and UVB rays?
The sensor and its companion app measure both UVA and UVB rays.

What is the difference between UVA and UVB rays?
Your sensor measures two types of UV rays: UVA and UVB rays. UVA and UVB rays are present all year round, but UVB rays are particularly high in the summer and at midday. UVB rays are a leading cause of sunburn and increase the risk of skin cancer. UVB do not go through glass and are partially blocked by clouds.

UVA rays are present all year round, regardless of how hot or sunny it feels. UVA rays are a leading cause of early skin aging and increase the risk of skin cancer. UVA rays can go through glass and clouds.

Why is the app asking what my skin tone is?
Your skin tone is an important data point for our algorithm to calculate your max-sunstock most accurately. By providing information about your skin, you will receive the most accurate readings.

What operating systems is the app compatible with?
The app is compatible with iOS 11 and up and with Android version 7 and up.

Why is some of the data such as temperature, humidity or air quality different between the app and my weather app?

Several data points in the My Skin Track UV app are pulled based on your exact location. Many weather apps are based more broadly on the city in which you are located and may therefore provide data that is less customised

What is the difference between this app and other available apps that measure UV, pollution and other environmental factors?
You can use other available apps to be informed about various environmental factors, however, only the My Skin Track UV sensor and companion app will provide you with a personalised reading of your UV exposure and provide notifications and advice when environmental factors are at a level that may have adverse effects on your skin.

Why is the app suggesting to connect with my Apple Health Kit?

Connecting with the Apple Health Kit is optional. If enabled, it will allow data such as the UV index to be pulled into the Apple Health Kit ecosystem, where other personal data like activities and health records can also be housed.

Is the data in the app accurate if I didn’t have my phone with me all day?
Yes, the data will be accurate as long as you wear the sensor. You will only be able to access the data by syncing the sensor with the app on your phone.

How does air quality impact my skin?

High levels of pollution have been shown to adversely affect very dry/eczema-prone skin, oily/acne-prone skin, sensitive skin, or skin with visible dark spots.

What is the “Activities” tab?

The “Activities” tab allows you to log activities such as tennis and running. Logging an activity allows the algorithm to gauge a highly accurate reading of your UV exposure, allowing you to track  how your activities are affecting your exposure to UV and other environmental factors.

How do I log in an activity?
Use the “Activities” tab, at the bottom of the My Skin Track UV app. Click on “Start New” and select the type of activity you’re about to begin. Before starting the activity, select “Tap & Scan to Start”. This action will prompt you to scan your sensor. You can press the pause button in the same tab at any time as needed. Once you’ve completed the activity, press the stop button, at which point you will be prompted to again scan your sensor. This allows you to get accurate readings of UV exposure during specific activities.

What is the “Skin Advice” tab?

This tab provides you with a personalised skincare regimen of La Roche-Posay products, based on your skin type and the skin concerns you have entered in your profile.

TO BE USED ONLY IF REACTIVELY ASKED (SOCIAL, CCC….). NOT TO BE POSTED ONLINE.

PRODUCT QUESTIONS

Is My Skin Track UV the same product as UV Sense, the prototype L’Oréal introduced at CES in 2018?
UV Sense was the prototype that informed My Skin Track UV. UV Sense was a battery-free wearable prototype that adhered to the nail and could be worn for up to two weeks; My Skin Track UV is the consumer product based off of UV Sense technology: it has been updated according to further research and user feedback. My Skin Track UV is durable, versatile, and intended for long-term use.

Why is My Skin Track UV a wearable clip sensor rather than a nail adhesive, like UV Sense?
My Skin Track UV is a useful tool for all seasons. While the UV Sense adhesive could be worn for up to two weeks at a time, My Skin Track UV is designed for long-term, repeated use all year-round, to provide maximum input into UV exposure and sun safety. Transforming from a nail adhesive to a clip accessory allows for more versatile, longer use

What materials are the sensor made of?
The sensor is made of polymer and resin; the clip is made of stainless spring steel.

Does it come in additional colors?
We are launching with one design, featuring the white and blue colorway and silver clip. We are planning additional designs to be released in the months to come. 

Can I use the sensor for my pets?
The sensor is not meant to be used for pets. The % of max sun-stock is a personalised measure based on your skin type and your skin tone. It is developed based on scientific research conducted on humans. 

How is the pollen count calculated?
The pollen count is data based on your geo-localisation. The data is pulled in partnership with pollen.com

How is the air quality calculated?

The air quality is data based on your geo-localisation. The data is pulled in partnership with BreezoMeter.

RETAIL INFORMATION

When and where will it be available for purchase?
My Skin Track UV is available now, exclusively at Apple stores nationwide and on apple.com. Its retail price is $89.95.

Will it be available at other retailers in the future?
Currently this product is only available in Apple Stores and on Apple.com. If the product becomes available at other retailers in the future, it will be communicated on laroche-posay.us

Is it available internationally?
Currently it is only available in the US. 

USER EXPERIENCE

What should I do if I keep seeing 0% in my app?
In order for your percent of max sunstock to change, you need to scan your sensor. To do so, click on the icon on the top right corner of the “Dashboard” tab in the My Skin Track app. Once scanned, the percent of max sunstock will increase if you have been exposed to UV. Depending on how high the UV index is, it may take more or less UV exposure for your percent of max-sunstock to increase.

How can I get less notifications?

You can stop allowing notifications for the My Skin Track app in your phone settings. Note that by disabling notifications, you may not experience all the benefits of the My Skin Track app since alerts based on the evolution of environmental factors may be communicated to you via notifications.

SAFETY AND PRIVACY

Is La Roche-Posay tracking personal data?
All My Skin Track UV data is anonymised, meaning it contains no personally identifiable information. The user chooses the information they would like to share with the app, such as name or location, but this data is not shared or tracked in any other way.

How much data does the sensor store?
The My Skin Track UV sensor can store up to three months of data; the app tracks that data over time. La Roche-Posay does not store any personal data, and the geolocation information used to inform the app is anonymised.

Does the sensor interfere with any implanted medical devices, skin conditions or topical medications?
My Skin Track UV can be worn safely with other medical devices and does not affect skin conditions or topical medications.

Does the sensor emit radiation?
No, the sensor does not emit radiation.

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