Clarifying shampoo is a good first step to fade semi-permanent dye. Wash your hair several times with warm water and a clarifying shampoo, allowing the shampoo to sit for a few minutes before rinsing.

Clarifying shampoos are formulated to deeply cleanse the hair and remove buildup, making them effective for fading semi-permanent hair dye. Look for shampoos that are sulfate-based, as these tend to be more effective at stripping color.

Clarifying shampoo is generally effective at fading semi-permanent and demi-permanent hair dye. It works by opening the hair cuticle and lifting the color molecules, but may also dry out your hair so deep conditioning is recommended afterwards.

The 'best' clarifying shampoo depends on your hair type, but options containing sulfates are often more effective at removing color buildup. Look for clarifying shampoos formulated for your specific hair needs, such as oily or dry hair, and always follow with a moisturizing conditioner.