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A+ High-Dose Retinoid Serum A+ High-Dose Retinoid Serum 1
Sunday Riley

A+ High-Dose Retinoid Serum

870 reviews
This advanced-strength retinoid serum wards off signs of aging and improves the look of congested, damaged skin. In 6 weeks, you’ll notice clearer and firmer skin with a smoother texture and reduced redness.


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  • Clean
  • Firming
  • Brightening
  • Soothes Irritation
  • Redness Relief

How to use it

At night after cleansing, press 1-2 pumps of the serum into dry skin until fully absorbed. Follow with a moisturizer. For new retinoid users, start with two days on, two days off, working your way up to once a day. If you have sensitive skin, apply a few drops of an oil to your skin before applying A+ serum.