Prolong your makeup with the bare Minerals Prep Step Mineral Shield SPF50, an antioxidant primer for all skin types. Perfect for those who want to protect their skin from pollution & external aggressors, the bare Minerals Prep Step Mineral Shield SPF50 helps to defend your skin from premature aging & sun damage, whilst prolonging your makeup base. This mineral based primer contains colour-adaptive pigments that blend beautifully into your skin, ensuring your foundation coverage is left smooth & balanced. Apply to skin after using your favourite moisturiser, then follow with your chosen foundation for maximum longevity. Non-comedogenic.