We help you to
evaluate improve design secure
your suncare products
WENEOS (formerly HelioScreen) is the expert center for evaluating the sun protection of cosmetic products.
NEW | Maintenance & Calibration
HDRS evaluation
SPREADMASTER
DRS equipment
More than 500 companies have already placed their trust in us
Our expertise for sun protection
Solar evaluation
- SPF | UVA | CW | HEV | IR
- Sweat | Sand | Water | Rub | Wet
- Control | Absorbance
PMMA plate
- Molded HD6
- Sandblasted SB6
- Metal bracket
In vitro equipment
- SPREADMASTER robot
- THERMASTER speaker
- Solar simulator | Radiometer
- Maintenance & Calibration
In vivo equipment
- HDRS Poly602
- HDRS Mono602
- Maintenance & Calibration
Reference product
- P2
- P5
- P8
- S2
Training
- Theory
- Practice
- Technical
Demand a high level of quality when testing your suncare products
WENEOS in figures
experience
tests performed
in total surface area
employees
Your in vitro results for a product in less than 7 days
Our latest news
Amendment to ISO 24443:2021/Amd 1:2026
ISO has published two revolutionary new methods for assessing the sun protection factor of cosmetic products
New ISO standards for assessing sun protection: 2 ethical and reliable methods
ISO has published two revolutionary new methods for assessing the sun protection factor of cosmetic products
New activity at WENEOS with HDRS (Hybrid Diffuse Reflectance Spectroscopy)
From January 2025, WENEOS is launching an innovative new in-house testing method to assess the photoprotection of sunscreen products according to ISO 23698. Traditionally, in vivo testing protocols such as…
Relocation and Temporary Closure of our Laboratory
Relocation of our premises We are pleased to announce that our office is relocating to new and improved premises, as part of our commitment to offering optimized services and…
How ISO approval of two test methods will revolutionize sunscreen development
Sunscreen testing is about to become more ethical, economical, reliable (in terms of SPF measurement) and fast, thanks to a recent initiative by the International Organization for Standardization (ISO), a…
Distribution of new HDRS devices
Non-invasive hybrid diffuse reflectance spectroscopy (HDRS) SPF methods, in line with the proposed ISO 23698 standard, are currently being evaluated as an alternative to in vivo SPF testing to provide…
New SPREADMASTER, more precise and more compact
10 years ago, we revolutionized the market for in vitro evaluation of sun protection with robotized spreading using the HD-SPREADMASTER. Its ability to ensure a high level of reproducibility was…
Change of identity – HelioScreen becomes WENEOS
WENEOS, our new name for a broader mission A company\'s identity is expressed through its name, which reveals its values and ambitions. A name change is therefore a decisive…