Skin Ductor Hair Serum Keratin Blue 100ml is a professional-grade hair care product designed to nourish, repair, and protect hair. Enriched with keratin, it helps strengthen hair strands, reduce frizz, and restore smoothness and shine. The blue formula may also help neutralize brassy tones in blonde or color-treated hair. Ideal for damaged or chemically treated hair, it provides heat protection and improves manageability for healthier-looking locks.