For quick, budget-friendly fixes, local pharmacies and big-box retailers remain the most accessible. If you're avoiding harsh chemicals like ammonia or PPD, these retailers specialize in plant-based and low-tox formulas. : Available at Amazon , Nordstrom, and Ulta Beauty, IGK is highly recommended by stylists for adding multi-tonal shine that mimics a high-end salon finish. 2. Specialized Beauty Supply Stores |