Lakme Chroma Hair Color in Blue Ash Platinum Blonde 10/17 is an ammonia-free permanent hair color that delivers a cool, ashy platinum blonde shade. The formula comes with a dedicated Chroma developer for optimal color results while being gentle on hair and scalp. Key features: • Ammonia-free formula • Cool platinum blonde shade with blue-ash undertones • Includes dedicated Chroma developer • Long-lasting permanent color • Gentle on hair and scalp • Professional salon quality The color should be mixed with the provided Chroma developer in a 1:1.5 ratio for best results. A patch test is recommended 48 hours before application. The processing time is typically 30-45 minutes depending on desired intensity and hair type. This shade works best on pre-lightened or naturally light hair for optimal results. The blue-ash tone helps neutralize unwanted warm or brassy tones.