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The Protein Force Strengthening Shampoo is specially designed to restore vitality to damaged hair by replenishing its natural keratin. Its advanced formula, enriched with low molecular weight hydrolyzed keratin rich in cystine, penetrates deeply to reinforce hair fibers, provide body, and boost collagen for improved elasticity. Concentrated nutrients deliver a powerful filling action, repairing and strengthening the hair from within while preventing breakage and split ends. Free from parabens, this shampoo offers intense repair and nourishment, leaving hair visibly healthier, stronger, and full of life.