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FAQ
At which step of my routine should I apply Serum Spectral?
Apply the serum all year-long, morning and night, after using a cleansing milk and one of the Lotions P50 recommended for your Skin Instant©. Because of its fluid emulsion texture, it should be applied after the most watery serums and before your daily moisturizer.
Who can use Spectral?
Spectral can be the foundation of any routine, whatever your age or Skin Instant. It was formulated for daily use, with a texture suited to all skin types, even sensitive.
How often should I use Spectral to get results?
Spectral serum can be applied all year-long, morning and evening. It delivers benefits within the first month with progressive and measurable improvement in skin quality.
From 28 days, radiance improves by +10%,increasing to +16% at 56 days.* complexion uniformity improves by +18% at 56 days, while softness improves by +8% at 28 days, reaching +16% at 56 days.
What makes Spectral unique?
Inspired by photobiology, Spectral stands out by being centered on skin resilience. Its objective isto strengthen the skin’s intrinsic capacity to adapt andrecover after daily light exposures. It does not targetradiation itself, but rather the biological mechanismsnaturally mobilized in response to photo-inducedstress. By supporting these internal processes,Spectral accompanies the skin as it faces repeatedlight exposure and helps preserve skin quality overtime.

The science behind Spectral
Proven to strengthen skin against light-induced damage thanks to 3 active ingredients:
- Lingonberry - a powerful antioxidant
- Schisandra berry - helps the skin remove damaged cells
- Indirubin - reinforces melanin’s role as the skin’s natural barrier

VISIBLE BENEFITS WITHIN THE FIRST MONTH
Skin is stronger, more resilient, more comfortable and visibly more radiant.
This performance is supported by a demonstrated 100% antioxidant efficacy, along with a +16%* in skin radiance and +18%* in skin homogeneity.
The benefits are also observed by users:
- 91%** of testers report smoother skin
- 85%** notice a more even complexion
- 84%** find their skin more beautiful, denser, and stronger, as if visibly reinforced

The Essential Step in Every Skincare Protocol
Apply the serum all year-long, morning and night, after using a cleansing milk and a Lotion P50. Before your daily moisturizer. Apply daily SPF afterwards.
A SENSORIALITY THAT BLENDS WITH THE SKIN
Designed for all Skin Instants®, its milky pink texture absorbs rapidly without leaving a greasy or tinted finish.Its formula provides optimal blend with the skin, promoting tolerance and comfort, including for sensitive skin.
THE ASSOCIATED PROTOCOL
SKIN QUALITY
*Clinical study conducted on 33 volunteers, women and men (average age: 50), phototypes II to IV, with more than 50% presenting sensitive skin – clinical scoring at 28 and 56 days.
**Clinical study conducted on 33 volunteers, women and men (average age: 50), phototypes II to IV, with more than 50% presenting sensitive skin – self-assessment questionnaire at 28 and 56 days