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4-Diaminophenoxyethanolhcl and Fd&C Blue #1 are both added colour ingredients. 4-Diaminophenoxyethanolhcl is found in 1 product while Fd&C Blue #1 appears in 2, making Fd&C Blue #1 the more widely used option.
Added colour
Added colour
Olia Hårfarge Metallic Silver 9.11
4-Diaminophenoxyethanolhcl is categorised as "Added colour" while Fd&C Blue #1 is categorised as "Added colour". 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.
4-Diaminophenoxyethanolhcl is found in 1 products, while Fd&C Blue #1 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.