Cosmo Keratin plus shampoo helps rebuild the hair’s natural protective layer and strengthens strands. Best shampoo for keratin-treated hair in India. Enriched with keratin, the shampoo adds a weightless body and shine to your hair. It instantly detangles hair and helps prevent static and tangles, while providing long-lasting nourishment to hair. Take care of your hair with all the effectiveness of the classic Cosmo products, designed to enhance, nourish and soften any kind of hair. This shampoo helps able transform curly and frizzy hair into smooth, soft, shiny hair, even after several washes. The special formula contains surfactants that prepare the cuticles to receive the treatment. The highly effective formula leaves hair smooth, soft, and shiny with a reduced capacity to absorb water, even after continuous exposure.