How to Safely Use Wella T18 Toner With 10 or 20 Volume Developer (And Why You Must Avoid 30 and 40 Vol)
Wella T18 can help you tone blonde hair at home, but only when your hair is at the right color level and you mix it correctly. Sometimes when we bleach our hair to achieve a cool blonde hair color, we are left with stubborn yellow undertones. Wella T18 toner is a popular choice to neutralize …




































































































