This serum plumps the skin to dramatically improve the appearance of fine lines and wrinkles. The Intense Booster formula contains the highest level of exclusive Ultra-RETI™ stabilised Retinol microparticles. Suitable only for skin pre-conditioned with NEW Ultra A Skin Perfecting Serum, and recommended by an Ultra Skin Expert. If you are currently using the Ultra A Skin Perfecting Serum Concentrate you are still required to start on the NEW Mild strength. Read the product instructions prior to use. The NEW Ultra A Skin Perfecting Intense Booster acts as it implies, as a booster. The product must only be used at the recommendation of an Ultra Skin Expert to address fine lines and wrinkles or uneven complexion. The Ultra Skin Expert will assess the condition of the skin’s barrier and tolerance before introducing the Ultra A Perfecting Intense Booster into the guest’s home care. Book a complimentary Virtual Skin Consultation