Building on my last request, I would like you to search these three brands for the ingredients I listed before. They are: Murad, Perricone MD, and Dermalogica

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Building on my last request, I would like you to search these three brands for the ingredients I listed before. They are: Murad, Perricone MD, and Dermalogica

Hello! Thanks for your question about ingredients in high-end brands as Murad, Dermalogica and Perricone MD. The information that answers to your question in the most adequate way we found at Sephora and Ulta shopping sites. In short, we've updated the existing Google spreadsheet with our findings.

METHODOLOGY
For this request, we have searched independent retailers, product pages, and confirmed ingredient lists with the companies' websites. Also, we searched user forums and review sites.
CONCLUSION
To wrap it up, Murad, Dermalogica, and Perricone MD research focus were on anti-aging products and eye care products. The most common ingredient was sodium hyaluronate and was contained in six products out of twelve total. Tetrahexyldecyl ascorbate is found in three products. MSM nor arginine were not found in any of these items.
Thanks for using Wonder! Please let us know if we can help with anything else!

Sources
Sources