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Occasional Contributor
Posts: 9
Registered: ‎03-13-2010

Can half a box of hair dye be mixed and used?

I know that developer and color that is mixed cannot be re-capped and used or it will explode. But if I mix half the developer and half the color, can I recap the unmixed for use at a later date? Or will the fact that it has been unsealed ruin the effectiveness? Sometimes I just need to touch up my temples and the rest is still fine. It seems such a waste to throw so much away. If anyone could answer I would appreciate knowing.
Trusted Contributor
Posts: 1,334
Registered: ‎03-13-2010

Re: Can half a box of hair dye be mixed and used?

My mother does this. She has short hair and gets three uses from one bottle.

Respected Contributor
Posts: 2,521
Registered: ‎03-10-2010

Re: Can half a box of hair dye be mixed and used?

I have been doing this for years. I only use half of the bottle cap it back tight and it is fine the next time I need it.

New Contributor
Posts: 3
Registered: ‎10-10-2014

Re: Can half a box of hair dye be mixed and used?

My mother has done it for 40 years without a problem.
Esteemed Contributor
Posts: 6,329
Registered: ‎03-09-2010

Re: Can half a box of hair dye be mixed and used?

I mix what I need in a glass bowl and apply with a brush.

Occasional Contributor
Posts: 9
Registered: ‎03-13-2010

Re: Can half a box of hair dye be mixed and used?

Thank you all. I also have short hair and for the last couple years have thrown away about half. It is good to know that this does work. I appreciate your answers.
Honored Contributor
Posts: 22,186
Registered: ‎03-13-2010

Re: Can half a box of hair dye be mixed and used?

On 1/17/2015 NJgirl said: My mother has done it for 40 years without a problem.

So have I. I also mix "custom colors" for myself, and save the unused portions in the original bottles.

♥Surface of the Sun♥
Honored Contributor
Posts: 12,577
Registered: ‎03-09-2010

Re: Can half a box of hair dye be mixed and used?

You can save un-mixed product but not mixed. I have short hair and always had some left over too. I just mixed half of each and saved the other halves for next time in sealed bottles.

Esteemed Contributor
Posts: 5,102
Registered: ‎03-10-2010

Re: Can half a box of hair dye be mixed and used?

my sister and sister in law do it all the time....have for years....

Super Contributor
Posts: 1,050
Registered: ‎11-13-2014

Re: Can half a box of hair dye be mixed and used?

When I colored my hair I did it all the time. I would buy two different colors and mix them. Save the half bottles of developer and color in the tube( not mixed!) for my next treatment. It always worked for me.

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