L'Oréal, Revitalift Derm Intensive Night Serum with Pure Retinol, Fragrance Free, 1 fl oz (30 ml)

Week 1: Apply 2-3 drops to clean, dry skin 2 nights a week before your moisturizer. Always follow up in the morning with a broad spectrum SPF to protect skin.

Week 2: Use every other night

Week 3: Use nighttime as tolerated

Your skin will need time to get used to this powerful ingredient, so it's important to introduce it gradually.

Always use sunscreen in the morning when using this powerful retinol.