A high-potency dual-retinoid treatment that delivers advanced results for clear, luminous skin—without a prescription. 0.1% retinaldehyde (retinal): Closest to prescription-strength retinoid delivers advanced results with minimal irritation. 0.16% Adapinoid® (oleyl adapalenate): Oil-soluble retinoid promotes clear skin. High potency, gentle release formula: Calcium-encapsulated retinoid minimizes irritation. Natural bioactive yellow: Retinaldehyde has a naturally vibrant hue. Paula's Choice Clinical Pro Retinaldehyde Dual-Retinoid Treatment | 30 ml