These are the peptide serums that I’ve tried that have a pH level below 6.0 (in alphabetical order by brand). I’ve also included a link to my review, where applicable.

The majority of the products listed below are also silicone-free and sulfate-free.

If you would like to learn more about a product please click on the link to see product details such as pricing, ingredients, etc. Most are affiliate links. As an Amazon Associate I earn from qualifying purchases. My reviews also include an ingredients list although the ingredients may be inaccurate or have changed after a review was posted.

• NuFACE Collagen Booster Copper Complex (pH of 4.75)
• ClarityRX Get Fit Multi-Peptide Serum (pH of 5.25)
• Skinmedica TNS Essential Serum (pH of 4.75) I’m using this now, review forthcoming!
• Le Mieux TGF-B Booster Serum (pH of 4.0)
• Brad Essential Elixir Multi-Peptide Serum Youth Regenerating Serum (pH of 5.5)
• Skin Inc Collagen Serum (pH of 5.5) Note: has amino acids, not peptides

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