Maintain your salon-fresh keratin treatment longer with the best shampoos for treated hair. Opt for sulfate- and salt-free formulas enriched with keratin, proteins, and nourishing oils to preserve shine, prevent frizz, and extend results. From premium picks like Virtue Recovery and Keratin Complex to affordable options like Godrej Keracare and OGX Brazilian Keratin—there’s a safe, effective choice for every budget and hair type.