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Acetyl Tetrapeptide-17 and Citrulline are both works on your skin ingredients. Acetyl Tetrapeptide-17 is found in 1 product while Citrulline appears in 2, making Citrulline the more widely used option.
Works on your skin
Works on your skin
Peter Schmidinger 5in1 High-Intense micro powder cleanser
Acetyl Tetrapeptide-17 is categorised as "Works on your skin" while Citrulline 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 Citrulline 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.