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4-Diaminophenoxyethanolhcl and Blue 1(Ci 42090) are both added colour ingredients. 4-Diaminophenoxyethanolhcl is found in 1 product while Blue 1(Ci 42090) appears in 2, making Blue 1(Ci 42090) the more widely used option.
Added colour
Added colour
Olia Hårfarge Metallic Silver 9.11
4-Diaminophenoxyethanolhcl is categorised as "Added colour" while Blue 1(Ci 42090) 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 Blue 1(Ci 42090) 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.