NUDA Journal

Science. Ingredients. Ritual.

What certification actually means. How botanicals work. Why your scalp health is the starting point for everything.

NUDA Deep Mint purifying scalp scrub jar, an exfoliating treatment for scalp buildup
HAIR SCIENCE

What Does Salicylic Acid Do on the Scalp?

Salicylic acid is a beta-hydroxy acid best known in skincare. On the scalp it serves a specific function: dissolving ...

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NUDA Deep Mint purifying scalp scrub, used to clear buildup from the scalp
HAIR SCIENCE

What Is the Scalp Microbiome and Why Does It Affect Your Hair?

The scalp hosts a community of microorganisms that influence dandruff, sensitivity, and hair health. Here is what the...

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NUDA Nectar Bath colour care shampoo bottle with pump, a gentle cleansing formula
HAIR SCIENCE

Sulfate-Free Shampoo: Does It Actually Clean?

Sulfate-free shampoos are everywhere. But do they clean as well as conventional formulas? The answer depends on which...

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NUDA Gloss Bath shine enhancing shampoo, formulated without silicones under the COSMOS standard
CERTIFICATION

Silicones in Hair Care: What They Are and Why We Don't Use Them

Silicones make hair feel smooth instantly. They also accumulate on the scalp and hair shaft over time. Here is what t...

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NUDA Bloom Bath keratin volume boost shampoo in its pink labelled bottle
FINE HAIR

Keratin for Fine Hair: Does It Weigh Hair Down?

Keratin is the protein hair is made of. But keratin in shampoo and conditioner is not the same as a keratin treatment...

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NUDA Deep Mint purifying scalp scrub jar with mint green label on a white background
HAIR SCIENCE

Scalp Health 101: Why Healthy Hair Starts at the Root

The scalp is skin. It has a microbiome, a pH, and a barrier that can be disrupted. Understanding how it works changes...

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NUDA Nectar Bath colour care shampoo bottle, labelled with certified organic botanicals
CERTIFICATION

"Natural" and "Organic" on a Hair Care Label Mean Nothing: Here Is What Does

In EU and UK cosmetics law, "natural" and "organic" are not regulated terms. Any brand can use them. Here is what to ...

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NUDA Vivid Serum rosemary oil with its carton, showing certification stated on the pack rather than vague natural claims
CERTIFICATION

How to Spot Greenwashing in Hair Care

Greenwashing in beauty is getting more sophisticated. Here are the specific signals to look for — and the one reliabl...

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NUDA Nectar Bath colour care shampoo, formulated for coloured hair
COLOR TREATED HAIR

How to Stop Colour-Treated Hair From Fading

Hair colour fades faster than it has to. What strips your colour, how to make it last, and the routine that keeps it ...

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NUDA Rescue Mask intensive repair treatment, 170 ml jar for damaged hair
DAMAGED HAIR

How to Repair Damaged Hair (What Actually Works)

Damaged hair cannot be healed, but it can be repaired and protected. What actually rebuilds strength, smooths the cut...

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NUDA Silk Mist weightless keratin mist in a pale blue spray bottle
FRIZZ

How to Get Rid of Frizz (For Good)

Frizz is hair reaching for moisture. What actually causes it, how to get rid of frizz at home, and the products that ...

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NUDA Gloss Bath shine enhancing shampoo in its pale yellow labelled bottle
GLASS HAIR

How to Get Glass Hair at Home

Glass hair is that mirror-smooth, high-shine finish. Here is what it actually is, how to get it at home, and the prod...

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