What It Is: The Youth Watery Oil Serum with its light texture designed for all skin types provides deep repair of aging signs from the first drops. The Serum is formulated with three honeys selected for their youth repairing power, backed by 15 years of research, 9 patents, and 9 publications. What It Does: Thanks to its deep diffusion texture, the serum targets the heart of the epidermis and multiplies skin's self-revitalization mechanisms. Deeply revitalized skin regains plumpness and radiance while wrinkles are visibly filled. Developed with the formulatory know-how of the Guerlain laboratories, the Youth Watery Oil Serum's proven deep diffusion texture reaches the heart of the epidermis for a powerful age-defying action from the first drops. Its light, universal texture infused with melt-in micro-beads instantly fuses with the skin for deep and visible repair. The Serum is scented with a sun-drenched nectar created by Thierry Wasser, Guerlain's nose, revealing fresh, light, honeyed notes. Key Ingredients: Powerful Black Bee Honeys with proven skincare efficacy Trogstad Honey, Norway: Revitalizes skin and corrects signs of aging Ouessant Honey, France: Supports skin youth repair with an abundance of amino acids, polyphenols and trace elements. Connemara Honey, Ireland: Visibly reduces fine lines and wrinkles. Clinical Results: New clinically proven performance: immediate and long-lasting efficacy. After 1st drops: Deep repair of aging signs* Strengthened barrier After 1 hour: The skin is visibly plumped with youth: -25% wrinkles** +124% hydration*** After 1 month: The signs of aging are visibly corrected, the panel found their skin****: Smoother Firmer More elastic How to Use: Apply the youth serum daily, morning and evening, to clean, dry skin. Discover Guerlain skincare facialists' application technique: Step 1: gently shake the bottle. Step 2: take the equivalent of a pipette full, around 10 drops, and warm in the palms of your hands. Step 3: using the palms of your hands, smooth into the skin, starting in the middle of the face and moving outwards. Step 4: replump by making fists with your hands, placing them on your cheeks, then making upward rotating movements. *In the epidermis **Instrumental test, measurement of the length of wrinkles, 31 women, after 1 application ***Instrumental test, 40 women, after 1 application ****Self-scoring test, 40 women, 2 applications per day