Quick answer

You can use retinol and vitamin C together, but timing and frequency matter. Use vitamin C in the morning and retinol at night, starting with two to three retinol nights per week.

Why separate morning and night

Vitamin C is an antioxidant that helps brighten skin and reduce the look of dark spots, while retinol accelerates skin renewal. Using both in the same routine can increase irritation if your skin is not used to either ingredient. Separating them by time of day lets each work without overwhelming your skin barrier.

When to slow down

If you notice redness, stinging, or flaking, reduce retinol to once a week or pause it for a few days. Do not add other exfoliating acids on the same night as retinol. Vitamin C can usually continue in the morning unless your skin is very reactive.

Your step-by-step retinol and vitamin C routine

  1. Start with a gentle cleanser: Wash your face with a mild, non-stripping cleanser. Pat dry instead of rubbing. Avoid harsh scrubs in the morning; they can make vitamin C sting.
  2. Apply vitamin C in the morning: Twist open one Neutrogena Rapid Tone Repair 20% Vitamin C Face Serum Capsule and smooth the serum over your face before moisturizer. Use the whole capsule at once; do not save part of it for later.
  3. Follow with moisturizer and sunscreen: Apply a lightweight moisturizer, then a broad-spectrum sunscreen with SPF 30 or higher. Sunscreen is essential when using retinol at night. Reapply sunscreen if you are outside for more than two hours.
  4. Cleanse again at night: Remove sunscreen and makeup with a gentle cleanser. Wait a few minutes until your skin is completely dry. Applying retinol to damp skin can increase irritation.
  5. Apply retinol moisturizer at night: Use a pea-sized amount of Neutrogena Rapid Wrinkle Repair Retinol Regenerating Cream over your face and neck, starting two to three nights per week. Do not mix retinol with vitamin C serum in the same application.
  6. Build up slowly: After two weeks without irritation, add one more retinol night per week until you reach every other night or as tolerated. If you miss a night, do not double up the next night.

Products in this routine