Kerastase initialiste advanced scalp and hair concentrate 60mlthis innovative initialiste advanced scalp and hair concentrate from kerastase is a specialised leave in treatment that will have your hair looking and feeling thicker and shinier nourishing and conditioning this scalp and hair concentrate strengthens and thickens hair fibres to leave your locks more resistant to breakageleave in treatmentstrengthens and thickens hair fibresformulated with plant based biotechnology