The science of Abeille Royale repairing honey reveals its power on hair's beauty and youth. Concentrated in Dynamic Blackbee Repair technology and enriched with black bee honey from Ouessant Island*, the Guerlain Abeille Royale Youth Oil-in-Serum triples the scalp's vitality and increases the hair fiber's resistance fivefold for a 55%** visibly thicker hair. Its non-greasy texture is composed of 97%*** naturally-derived ingredients and can be used daily on dry or damp hair. *In a honey blend **Clinical evaluation, 29 women, daily application, 3 months' use. ***Calculation based on the international ISO standard 16128, including water. The remaining 3% contributes to optimizing the formula's integrity over time and its sensorial texture.