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1-Naphthol and 2-Methyl-5-Hydroxyethylaminophenol are both added colour ingredients. 1-Naphthol is found in 1 product while 2-Methyl-5-Hydroxyethylaminophenol appears in 10, making 2-Methyl-5-Hydroxyethylaminophenol the more widely used option.
Added colour
Added colour
Olia Hårfarge Metallic Silver 9.11
1-Naphthol is categorised as "Added colour" while 2-Methyl-5-Hydroxyethylaminophenol 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.
1-Naphthol is found in 1 products, while 2-Methyl-5-Hydroxyethylaminophenol is found in 10 products in our database.
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