Longevity Of Hair Dye: Factors Affecting Color Duration And Maintenance
The longevity of hair dye depends on several factors, including dye type, hair condition, and external influences. Permanent dyes last several weeks or months until new hair growth occurs, while semi-permanent dyes typically fade within 4-8 weeks and temporary dyes wash out after one or a few washes. Hair condition, such as porosity and previous …
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