hi guys ive got a client who wants bleach regrowth on a base 5/6 ive always bin told to never use bleach on scalp but on the pot its says u can how many levels of lift will i get with 20 vol peroxide what is the strongest peroxide i can use on the scalp with this? I'm gunna use a toner but she wants it ashy so need the bleach to lift it quite a bit b4 i put toner on if someone can help me that would be great!
thankyou
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