Product information “Kérastase Chronologiste Overnight Youth Serum” The Kérastase Chronologiste Overnight Youth Serum is a luxurious anti-ageing night treatment for hair. It specifically targets dryness, frizz, dullness, and lack of volume. The leave-in formula provides intensive overnight care without weighing down. For visibly stronger, more supple hair in the morning. Highly effective formula for youthful hair Enriched with Pro-Xylane™ and Ochrophyta algae, the serum promotes deep regeneration. The lightweight leave-in serum absorbs quickly and leaves a silky finish. One pump is sufficient for optimal care. Application & Highlights: Apply to dry or damp hair before sleeping Distribute evenly through lengths and ends Do not rinse out For fuller, strengthened hair overnight 90ml
