Anyone dealing with mineral or metal buildup in their hair from hard water, well water, or a chlorinated pool — the shampoo is positioned specifically around removing copper and lead residue rather than general everyday cleansing. It suits all hair types and textures, including color-treated hair, and is used by both men and women. It's used both as a professional pre-color clarifying step by stylists and as a periodic at-home treatment by consumers; no special training is needed to use it, but it isn't meant to replace a regular daily shampoo.

Most "deep cleansing" or "detox" shampoos are marketed generically around removing product buildup; this one is specifically formulated to address copper and lead residue, the kind of mineral deposit that comes from hard or well water and pool exposure, which can leave hair looking dull or affect how well color services take. Rather than relying on a harsher sulfate, milk_shake built it on a gentler SLES-free surfactant system and added hydrolyzed milk protein and green tea extract so the deep clean isn't a totally stripping experience.

• Distribute evenly over damp hair and work into a lather
• Leave on for a few minutes to let it work on mineral/product buildup
• Rinse thoroughly
• Follow with a conditioner or mask, since the deep-cleaning action can leave hair needing extra moisture
• Use periodically — e.g. before a color service or after heavy buildup — rather than as a daily shampoo

Pros:

• Actually targets mineral/metal buildup (copper, lead) rather than just general dirt and oil, which a standard shampoo doesn't address
• Sulfate (SLES)-free cleansing base, gentler than older-style clarifying shampoos built on sodium lauryl/laureth sulfate
• Includes hydrolyzed milk protein and green tea extract to partially offset the stripping effect of a deep clean
• One formula works across hair types and for both men and women

Cons:

• Not designed for daily use — used too frequently, a deep-cleansing formula can leave hair feeling dry since its job is to strip buildup, not add moisture
• Contains methylchloroisothiazolinone/methylisothiazolinone (preservatives some sensitive-scalp users choose to avoid) and synthetic dyes
• Fragrance contains declared allergens (limonene, linalool, hexyl cinnamal)
• No conditioning follow-through — a separate conditioner or mask is recommended after use