Peptides are key ingredients driving cosmetic innovation, but the presence of residual trifluoroacetic acid (TFA) can compromise their performance and consumer safety.

In this case study, you will learn:

  • The impact of TFA on the physicochemical properties of peptides and their regulatory compliance,
  • How LC-MS/MS enables accurate detection and quantification of trace levels of TFA,
  • Why scientific expertise is essential to adapt analytical methods to complex matrices,
  • Best practices to ensure safe, high-quality peptide-based cosmetic products.

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