Dramatically improve the appearance of fine lines and wrinkles with Ultraceuticals Ultra A Perfecting Intense Booster. Containing the highest level of Ultraceuticals exclusive Ultra-RETI™ stabilised Retinol microparticles, this advanced formula has been specially designed for skin that has been pre-conditioned with both the Ultra A Skin Perfecting Serum Mild and the Ultra A Skin Perfecting Serum. Suitable for normal, dry and oily skin types, this potent formula combines high-strength Retinol, Salicylic Acid and a blend of skin-plumping peptides to drastically refine and rejuvenate the skin's appearance.