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RE: How to mix color and developer for a home touch up
EcoColors Message Board
1270 Subject: RE: How to mix color and developer for a home touch up Posted by:
Tue, Nov 19, 2013
10:40 AM

What should the ratio be of color to developer for a home touch up? Mix equal parts color to developer.    Is the remaining unmixed product okay for a couple of weeks afterward?    Whatever color you do not mix with developer may be saved for the following month's application or stored for up to a year. Once you mix color and developer, you must use it immediately.    Any advice on resistant gray at the facial hairline?    Use full strength (equal parts color to developer) on gray, and process for 45 minutes. Use a cap and heat for the first 5 minutes.

This is a reply to message 1275 by MariaM  

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