The Redken Acidic Bonding Concentrate Leave-In Treatment is a high-quality hair care product designed to improve the strength and elasticity of the hair. With its active ingredient of Keratin and a formulation of Cream, this treatment is ideal for restoring damaged hair and providing long-lasting hydration. The product comes in a standard size and has a period after opening of 12 months, ensuring its freshness and effectiveness. With its all-natural ingredients and professional formula, this leave-in treatment from Redken is a must-have for anyone looking to achieve healthy and nourished locks.