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Blonde Hair Shampoo
Three plain unlabeled bottles and a folded white towel on a pale travertine ledge

Blonde hair shampoo, explained plainly

What purple shampoo is, how to wash and condition, and what labels mean.

Start with purple shampoo

Start here

Two clear unlabeled glass bottles holding pale lilac and pale blue liquid on pale stone

Purple and toning shampoo

Purple, blue, toner, brassy hair.

A frosted bottle, a folded towel, and a wide-tooth comb on a sunlit stone ledge

Bleached, colored, and gray hair

Bleached, color-treated, gray, heat.

A bowl of clear water, a plain pump bottle, and a rolled towel on a vanity

Washing and conditioning

Wash, condition, leave-in, pool.

A blank ivory card, a plain bottle, and a brass magnifying glass on pale stone

Labels, claims, and testing

Cosmetic or drug, labels, testing.

A clear unlabeled glass bottle of pale lilac liquid standing on a pale travertine ledge

Purple shampoo, explained

What it is, in plain words.

A squeeze bottle and folded towel beside a clear unlabeled glass dish of pale lilac liquid

How to use purple shampoo

Label first, then the basics.

Two identical clear unlabeled glass bottles side by side, one pale lilac and one pale blue

Purple vs blue shampoo

Two colors, as makers describe.

A plain unlabeled pump bottle on a shower ledge with water droplets on pale tile

How often to wash your hair

It depends, per the AAD.

A plain frosted spray bottle beside a small open jar of white cream on linen

Leave-in conditioner, explained

Who it helps, how to apply.

A plain amber glass bottle with a blank ivory tag tied on with string

Sulfate-free and other free-from labels

Label words, explained.

Why use these guides

Plain language

Toning, color additives, and label words in plain terms.

Sourced facts

From the FDA, the FTC, and the American Academy of Dermatology, linked on every guide.

A care note on every guide

Every guide ends with the same short note on labels, testing, and when to see a doctor.

No price tags or picks

We explain labels and care steps. If we ever link to a retailer, we say so.

Trying a new shampoo?

The AAD describes an at-home test for skin care products.

Read testing a new product
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