Complete Gentle Whitening Kit Triple-action formula combines color correction, deep whitening and enzyme care. Includes 28 strips (14 upper + 14 lower) for a full 14-day treatment. Instant Purple Color CorrectionOur purple brightening strips neutralize yellow stains in just 30 minutes with optical color-correcting tech, no harsh bleaching and friendly for sensitive teeth. Non-Slip & No Residue Advanced adhesive fits securely without slipping or sticky residue. Easy to wear, talk and remove, ideal for on-the-go use. 7-Day Professional Whitening it deeply lifts coffee, wine and smoking stains, whitening teeth up to 4 shades in 7 days while being enamel-safe. 90-Day Anti-Yellow ProtectionPapain enzyme gently breaks down new stains and prevents color rebound, keeping your smile bright for up to 90 days without irritation.