Serum Spectral strengthens skin resilience and helps the skin better adapt to daily light exposure. Its formula, inspired by the skin’s natural functioning, acts on essential mechanisms linked to light exposure. Thanks to its active ingredients, it supports the skin’s natural functions against light-related aggressions. Results: Its formula introduces antioxidant activity with a 100% reduction of UV*-induced oxidation levels. A progressive and measurable improvement in skin quality: • After 28 days, skin appears more radiant, with +10% radiance, a benefit that increases to +16% after 56 days • Skin tone becomes more even (+18% after 56 days) • Skin softness improves by +8% after 28 days, and +16% after 56 days**