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Patch test?

larrlin24 · 2014-09-25 20:03:19

Hi, I'm just wondering do you really have to wait the full 48 hours for the patch test to develop? Would it make a difference if I waited 24 hours? Thinking of dying my hair at home. I currently have balayage/ombre but I want to dye over it with one colour. I haven't dyed my hair at home in years and I never used to do…

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25-09-2014 9:03pm

#1

larrlin24

Closed Accounts Posts: 142 ✭✭

Join Date: April 2014

Posts: 117

Hi, I'm just wondering do you really have to wait the full 48 hours for the patch test to develop? Would it make a difference if I waited 24 hours? Thinking of dying my hair at home. I currently have balayage/ombre but I want to dye over it with one colour. I haven't dyed my hair at home in years and I never used to do patch tests but I'd rather not risk it this time. I just really don't want to wait the 48 hours if it's not necessary. Any help is greatly appreciated

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#2 25-09-2014 10:04pm
dee_mc

Registered Users Posts: 7,175 ✭✭✭

Join Date: June 2009

Posts: 7116

If you're doing a patch test you really should wait the 48 hours because some skin reactions would take that long to develop. I have to be honest though and admit I've never done one myself but I know of people who have had horrendous reactions, so if I was still using home colours I wouldn't risk it again.

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