Trilogy Very Gentle Calming Serum 30ml Very gentle calming serum from Trilogy is an exceptionally gentle & calming serum designed for intolerant, easily irritated skin in need of peace, comfort & soothing hydration. Combines natural spring water & calming extracts of Chamomile & Calendula with moisture-repairing plant oils to help calm your complexion & protect the weakened skin barrier of sensitive skin. Use alone as a light moisturiser or before Very Gentle Moisturising Cream for added comfort.