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Cheapest shampoo for color-treated hair

The cheapest shampoo for color-treated hair we track costs $0.36/fl oz, with a median of $1.85/fl oz across 38 tracked products, as of July 2026. Because this is scoped to Color-treated hair, the price is right for what you actually need — not skewed by a different hair type. Prices re-checked continuously.

What this ranking is. These are the products sold as color-treated hair, ranked by the one thing we can measure exactly: real cost per fl oz. We do not test the claim itself — we’re telling you what it costs, not that it works.

💚 Cheapest Color-treated hair$0.36/fl oz

38 deals · cheapest per fl oz first

+62°
Herbal Essences Shampoo
🧴Hair & body

Herbal Essences Shampoo

$0.52Cost / fl oz
Price checked Jul 22 · confirm on Amazon
pack price$15.12
subscribe & save$0.49−5%
💚 72% below median $/fl oz
See on Amazon

Frequently asked questions

What's the cheapest shampoo for color-treated hair right now?
The cheapest shampoo for color-treated hair we track costs $0.36/fl oz, with a median of $1.85/fl oz across 38 tracked products, as of July 2026. Because this is scoped to Color-treated hair, the price is right for what you actually need — not skewed by a different hair type. Prices re-checked continuously.
Why rank shampoo for color-treated hair separately?
A hair type you can't use isn't a deal. Comparing only Color-treated hair keeps the cost per fl oz honest — a cheap price on a different hair type tells you nothing about what your shampoo for color-treated hair should cost.

All hair & body ranked →What’s a good price?