How to Use Semi-Permanent Hair Dyes and What Results Should You Expect?

Semi-permanent hair dyes are a gentle alternative to permanent hair colors. Unlike most permanent formulas, these dyes are free from ammonia, and most of them don’t require a developer. Semi-permanent dyes only stain the hair, without chemically altering hair structure. Semi-permanent hair dyes provide you with longer-lasting color than temporary dyes, but they fade out … Read more