Using multiple anti-aging products at once can increase skin irritation. It’s better for your skin to consistently stick to the basics: cleansing, moisturizing, and sun protection. Introduce new ingredients slowly, one at a time, and monitor your skin’s reaction. This is for informational purposes only and is not a medical diagnosis.
[Source] American Academy of Dermatology https://www.aad.org/public/everyday-care/skin-care-basics