RéVive Lissant Line-Smoothing Neck Serum is a targeted treatment formulated for the neck and décolletage area. It contains RV Firming Peptide and RV Volumizing Peptide, two specialized ingredients designed to support the appearance of skin structure and contour. The serum aims to address visible neck lines and loss of definition along the jawline and collarbone area. The formula is developed to refine the contour while promoting a smoother, more even surface texture. It also incorporates brightening properties to help unify skin tone across the neck and chest. This product is suitable for those who wish to incorporate a dedicated neck care step into their routine, particularly when early signs of laxity or crepe-like texture become noticeable. The lightweight, non-greasy texture absorbs readily and layers well under moisturizers or sunscreen. As with all RéVive products, the formulation adheres to a high standard of peptide-based skin science, focusing on gradual improvement rather than instant results. It is best used consistently as part of a daily or nightly regimen. The 30 ml / 1 oz size allows for extended use. This serum does not contain parabens, sulfates, or phthalates. It is intended for external use only and can be applied to clean, dry skin from the jawline down to the décolletage, avoiding the immediate eye area. Individual results depend on consistent application and overall skin condition.