SERICIN Collagen Face & Neck Serum Luxury SkinCare Retail $1,495.00 Sericin+ Collagen Face & Neck Serum is formulated to boost collagen reproduction, improve skin’s hydration level, elasticity & tone, and ultimately combat visible signs of premature aging such as lines and wrinkles in the face and neck areas. Enriched with Silk Protein Sericin – known for its age-defying properties – this advanced serum penetrates deep into the skin to revitalize it from within for a radiant, flawless appearance. For best results, use with our Collagen Face & Neck Cream and Mask. For all skin types.