Diffuse fine lines whilst firming your complexion with the dhc extra concentrate a clinically proven serum for mature skin formulated with skin boosting ingredients this pre moisturiser treatment works to reveal a smoother more taut texture to your skin with every use placental protein works to diminish the appearance of fine lines while skin smoothing hydrolyzed collagen works to re build and support existing skin cells after time the tone and texture of your complexion are improved i