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Acetyl Tetrapeptide-17 and Copper Palmitoyl Heptapeptide-14 are both works on your skin ingredients. Acetyl Tetrapeptide-17 is found in 1 product while Copper Palmitoyl Heptapeptide-14 appears in 2, making Copper Palmitoyl Heptapeptide-14 the more widely used option.
Works on your skin
Works on your skin
Acetyl Tetrapeptide-17 is categorised as "Works on your skin" while Copper Palmitoyl Heptapeptide-14 is categorised as "Works on your skin". They serve different functions in skincare formulations.
In most cases, these ingredients can be used together. However, always patch test and introduce new ingredients gradually.
Acetyl Tetrapeptide-17 is found in 1 products, while Copper Palmitoyl Heptapeptide-14 is found in 2 products in our database.
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© 2026 Gracie. All rights reserved. Data sourced from Open Beauty Facts (ODbL) and EU CosIng.