How Long Should You Leave 20 Volume Bleach in Your Hair | 藥妝百科
![How Long Should You Leave 20 Volume Bleach in Your Hair](https://i.imgur.com/MEXDLMW.jpg)
2022年6月5日—This20volumemixtureisalesspotentlightener,butitcanliftafewtones(orshades)ofhaircolor,butitusuallydamagesthehairless ...
![How Long Should You Leave 20 Volume Bleach in Your Hair](https://i.imgur.com/MEXDLMW.jpg)
When you’re bleaching your hair at home with 20 volume developer or any bleaching agent, one of the primary questions many people have is how long you should leave the bleach in your hair.
If you take it out too soon, the bleach won’t lighten your hair to your preferred shade. However, leaving it in too long would be a mistake and could potentially lead to significant hair damage.
The amount of time you leave bleach in your hair depends on several factors, including the volume of bleach (or developer ratio) in the bleach mixture.
How Long To Leave Bleach in Hair With 20 Volume Developer?You shouldn’t leave 20 volume developer in your hair for more than 30 minutes. However, 30 minutes is a long time.
Ideally, you can remove the bleach before reaching the 30-minute maximum, but the actual timeframe will depend on your ...
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