Your guide to the best shampoo + conditioner

Healthy hair starts at the scalp — and we’re not just saying that. If your scalp isn’t happy, your hair won’t be either. That’s why Dieter Slicke’s Shampoo + Conditioner range is made to treat both.

Our shampoo and conditioner range is made in Australia with natural, vegan-friendly ingredients and zero nasties — no sulphates, parabens, or weird chemical extras. Just clean, clever formulas that do what they say.

Make your match

We’ve got something for every head — whether it’s flaky, flat, bleached or bold. And when you grab a Shampoo + Conditioner Duo, you save $12. Slicke.

from $26.00

Stimulating

Got an itchy, dry, or sensitive scalp? Start here.

Like a double espresso for your scalp. This duo features peppermint, menthol, ginseng and nettle to wake up your roots, boost blood flow and help you feel like a new man. Ditch the flakes, ditch the dullness.

Cleansing

Too much product, oil or pollution? This one's the reset.

Think of this as a deep cleanse without the drama. If your scalp feels heavy or congested (from product, sweat or just city grime), this pair lifts it all out and leaves things feeling light, fresh and clean. Like a detox, but for your head.

from $26.00

from $26.00

Hydrating

Dry, coarse or mature hair? This one drinks it up.

Packed with nourishing oils and plant extracts, this duo gives thirsty hair the moisture hit it’s been begging for. It softens, smooths and restores shine without weighing things down. Great for everyday use, especially if your hair’s feeling dry, brittle or stressed.

Thickening

For fine, thinning or flat hair that needs a boost.

Say goodbye to limp. This lightweight duo helps create fuller, more voluminous hair with ingredients like rice protein, jojoba and ginseng to give your scalp a kickstart. Your hair will feel stronger, thicker and ready for anything — no heavy buildup, just solid results.

from $26.00

from $26.00

Purple

Blonde, silver or colour-treated? Say no to brass.

Tone down the yellow and bring back the cool. This purple pair is a must for blondes and silver foxes who want to keep their colour looking fresh, not fried. Gentle enough for regular use, powerful enough to make a real difference.

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Our promise

Dieter Slicke’s own hair, skin and grooming range is made in Australia using premium ingredients — always cruelty free, (almost entirely) vegan, and free from sulphates, parabens, ethoxylates, propylene glycol, petrochemical cleansers, phthalates, DEA, artificial colours and other nasties. We’re currently phasing out beeswax from a few styling products, with the goal of making the full range 100% vegan.

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Need help choosing?

If you’re not sure what your scalp's calling out for — get in touch or visit us in-store. We’ll help you match your head to your hero product in no time.

Clean hair. Clear scalp. Confident vibes.

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Frequently Asked Questions (FAQs)

• What’s the best shampoo for men with dry or sensitive scalps?

  Dieter Slicke’s Stimulating Shampoo + Conditioner is perfect for dry, itchy or irritated scalps. It contains peppermint oil and ginseng to cool, refresh, and support scalp health — great for everyday relief and revitalisation.

• Which shampoo is best for oily hair or product build-up?

  Go for Dieter Slicke’s Cleansing Shampoo + Conditioner. It’s designed to detox your scalp and strands without stripping essential moisture — ideal after workouts, heavy styling, or exposure to pollution.

• Do you offer shampoo for coloured or blonde hair?

  Yes — Dieter Slicke’s Purple Shampoo + Conditioner is specially formulated to tone yellow and brassy tones in blonde, silver, or colour-treated hair. It keeps your colour fresh and salon-worthy between visits.

• Is there a good shampoo for dry or coarse hair?

  Definitely. Dieter Slicke’s Hydrating Shampoo + Conditioner is rich in jojoba, avocado and sunflower oils to deeply nourish and hydrate dry, damaged or mature hair.

• Which shampoo helps with fine or thinning hair?

  Try Dieter Slicke’s Thickening Shampoo + Conditioner, powered by rice protein and botanical extracts to boost volume, strengthen strands, and promote fuller-looking hair.

• Are Dieter Slicke hair products vegan and cruelty free?

  Yes — our shampoos and conditioners are Australian made, cruelty free, and mostly vegan. A few styling products contain beeswax, but our haircare range is plant-based and packed with natural ingredients.

• Do your products contain parabens or sulphates?

  Nope. All Dieter Slicke hair products are free from sulphates, parabens, phthalates and other nasties. Just good stuff your hair actually wants.

• Can I subscribe to save on shampoo and conditioner?

  Yes. You can subscribe and save on your favourite Shampoo + Conditioner Duo and get free shipping on orders over $100. It’s easy, flexible, and keeps your shower game slicke.

• Why are parabens bad in shampoo and conditioner?

  Parabens are synthetic preservatives commonly found in supermarket shampoos. They’ve been linked to hormone disruption and skin irritation — especially for sensitive skin. At Dieter Slicke, we keep it clean and clear: zero parabens, ever.

• What’s wrong with sulphates in hair products?

  Sulphates (like SLS and SLES) are cheap foaming agents still used in many off-the-shelf products. They strip away your hair’s natural oils, leaving it dry, frizzy and irritated. That’s why all Dieter Slicke formulas are sulphate-free — for healthier, happier hair.

• What are phthalates and why does Dieter Slicke avoid them?

  Phthalates are often hidden in synthetic fragrances and plastics. They're still found in lots of mainstream products despite links to hormone disruption and allergic reactions. We don’t mess around with that — no phthalates here.

• Are petrochemical cleansers harmful?

  Yep. Petrochemical-based cleansers can clog pores, cause build-up, and leave a residue on your scalp. Sadly, they’re still common in a lot of haircare products. Dieter Slicke uses plant-based alternatives that clean without compromise.