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Writer's pictureMary Bardouche

Why Not Combine Retinol and Vitamin C in the Same Routine? (But Here's How to Get the Best of Both Worlds)

You've probably heard the buzz about retinol and vitamin C being power players in the anti-aging skincare game. Both boast impressive benefits, targeting fine lines, wrinkles, and uneven skin tone. So, it might seem natural to wonder: why not combine them for an extra youthful boost?


While the logic is sound, applying retinol and vitamin C together within the same skincare product will actually cancel each other out, and can potentially irritate your skin. Here's the science behind it:


Healthy Skin pH: Balanced skin pH is between 4.7-5.7. On the scale of acidity water is considered neutral with a pH of 7. Human skin is a bit acidic to keep moisture in and bacteria out. Any disruption of the skin’s pH balance can cause breakouts, dryness, and irritation.  

  • Retinol: This superstar ingredient works by increasing cell turnover, making way for smoother, brighter skin. The pH of retinol is between 5.0 - 6.0.  With a more acidic pH, retinol can make skin more sensitive, which is why you should always include a moisturizer when applying retinol to correct the skin’s natural pH balance.

  • Vitamin C: This potent antioxidant brightens skin tone and protects against free radical damage. With a low pH of 3.5, it has a higher acidity level than Retinol.  

  • Combination: Each of these ingredients need their own specific pH level in order to function and promote beneficial results. Since the pH levels of Retinol and Vitamin C are very different, combining these two ingredients within the same product will cancel each other out. Also, the increased acidity on your skin may potentially lead to redness, dryness, and flaking.

  • Apply Separately: It has been shown in studies, that applying Retinol and Vitamin C separately ensures the powerful benefits of these must-have beauty ingredients. You are able to apply one, then once absorbed, may apply the other right afterward. 


But don't despair! Here's how to get the wrinkle-fighting, brightening benefits of both retinol and vitamin C:

  • Nighttime: Apply Beauty of Science's Retinol Renew and Restore Serum at night to utilize its cell-renewal magic while you sleep. You can apply any of our other scientifically advanced serums containing Vitamin C before or after our Retinol serum. For optimal results follow with our Nighttime facial creams.

  • Daytime: Apply our DMAE + C Super Boost Serum in the morning for its protective and brightening power. You may also apply any combination of our multi-treatment serums for a comprehensive beauty routine. Note that it is recommended to use our Retinol serum at night only, as the sun can irritate the skin.  For optimal results follow with our Daytime facial creams.


Here's a closer look at Beauty of Science's power duo:

  • Retinol Renew and Restore Serum: This advanced formula features encapsulated retinol, which gradually releases throughout the night, minimizing irritation while maximizing results. It also contains hyaluronic acid for deep hydration, keeping your skin plump and supple.

  • DMAE + C Super Boost Serum: This energizing serum combines the antioxidant power of vitamin C with DMAE, an ingredient known to firm and tighten the skin. It also contains ferulic acid, another antioxidant that boosts the effectiveness of vitamin C.


By incorporating these products strategically into your skincare routine, you can reap the benefits of both retinol and vitamin C without compromising your skin's health.

Ready to experience the transformative power of retinol and vitamin C? Shop Beauty of Science's Retinol Renew and Restore Serum and DMAE + C Super Boost Serum today!

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