it works. guaranteed. try niacinamide for strength retinol 24 for smoothness and vitamin c for brightness. i like to use them all! olay. face anything. what can i du with less asthma? with dupixent, i can du more.. catching my train... making moves... ♪♪ making a connection... a train connection. that's how you du more with dupixent, which helps prevent asthma attacks. dupixent is not for sudden breathing problems. it's an add-on-treatment for specific types of moderate-to-severe asthma that can improve lung function for better breathing in as little as two weeks. and can reduce, or even eliminate, oral steroids. and here's something important. dupixent can cause allergic reactions that can be severe. get help right away if you have rash, chest pain, worsening shortness of breath, tingling or numbness in your limbs. tell your doctor about new or worsening joint aches and pain, or a parasitic infection.