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Acetyl Tetrapeptide-17 and Macrocystis Pyrifera (Kelp) Extract are both works on your skin ingredients. Acetyl Tetrapeptide-17 is found in 1 product while Macrocystis Pyrifera (Kelp) Extract appears in 4, making Macrocystis Pyrifera (Kelp) Extract the more widely used option.
Works on your skin
Plant extract
Acetyl Tetrapeptide-17 is categorised as "Works on your skin" while Macrocystis Pyrifera (Kelp) Extract 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 Macrocystis Pyrifera (Kelp) Extract is found in 4 products in our database.
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© 2026 Gracie. All rights reserved. Data sourced from Open Beauty Facts (ODbL) and EU CosIng.