Peter Thomas Roth Retinol Fusion PM Night Serum (For All Skin Types) 1oz, 30ml Peter Thomas Roth Retinol Fusion PM Night Serum (For All Skin Types) has the following features: Pure and potent concentration of microencapsulated Retinol at 1.5% helps to encourage the skin’s renewal process at night. Moisturizing formula, infused with Vitamins C & E, suits all skin types. Enhances skin tone and texture. The look of fine lines and wrinkles is visibly reduced, skin looks renewed, refreshed, restored. Oil-free. Fragrance-free.