When (and how) to use Revitalift Derm Intensives Night Serum with 0.3% Pure Retinol by L'Oreal

Week 1, apply 2-3 drops to clean and dry skin twice a week and before Triple Power Moisturizer. Week 2, use every other night. Week 3, use nightly if tolerated. Always use Broad Spectrum SPF in the AM to protect skin. Read product carton before use