The Set Subrina Professional Care Keratin Strengthening Hair Serum includes 6 bottles of 10 ml each, designed to give strength and vitality to fragile and damaged hair. Enriched with keratin, this intensive treatment repairs the hair fiber from within, reducing breakage and giving softness and shine. Easy to apply, the serum penetrates quickly without weighing down the hair, ideal for daily use or after treatments. Thanks to its professional formula, it strengthens the struttura of the hair, improving its elasticity and protecting it from environmental stress. Perfect for chi who want stronger, healthier, and shinier hair, this set proves to be an indispensable ally for maintaining una flawless hair and enhancing every hair type.