New to this, would be grateful if anyone can help?

[Emmabey]

Hi I'm not sure if Im doing this right but ... I'm training in level 2 woman's hairdressing

I'm diluting from 40vol .

I've had worksheet but I can't work out how to do it. If I post what I need help with please could you help me with how to work it out

Diluting 40vol

Q1. 100mls of 20vol
water= peroxide=

Q2. 60mls of 30vol
water= peroxide=

Q3. 50mls of 10vol
water= peroxide=

Any help would be great!
Thanks

 

[salonsaviour]

Hi Emmabey,

This chart may help:

Strength you have	Strength you wish to create	Peroxide	Add	Water
40 vol	30 vol	3	+	1
40 vol	20 vol	1	+	1
40 vol	10 vol	1	+	3
30 vol	20 vol	2	+	1
30 vol	10 vol	1	+	2
20 vol	10 vol	1	+	1

If you think of it as percentages: If you have 40 vol and want to create 20 vol, this is literally half and half that you would need to dilute the peroxide by. So if you need to mix up 100mls of colour and wanted to create 20 vol from 40 - you would do: 50mls of 40 vol and 50mls of water. Hope this helps