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.
Healthy / dry hair
Stimulating Shampoo
Dieter Slicke’s Stimulating Shampoo deeply cleanses and invigorates healthy to dry hair. The soothing blend of peppermint botanicals relieves dry, flaky scalp and removes stubborn build-up.
Features
Peppermint oil (helps with dryness or itching, may stimulate hair growth)
Jojoba (moisturises and balances scalp oil)
Hydrolysed Quinoa (boosts moisture and repairs hair)
Ginseng (prevents hair loss, stops dandruff and adds nourishment)
Nettle (helps hair re-growth, treats dandruff)
Waratah (rich in antioxidants and nutrients that deeply nourish the hair, enhancing its strength and vitality)
Purchase the matching shampoo or conditioner as a duo with (save $12).
Stimulating Conditioner
Dieter Slicke’s Stimulating Conditioner softens and refreshes healthy to dry hair. The unique blend of peppermint botanicals and specially formulated proteins work to smooth and hydrate hair whilst promoting healthy scalp circulation.
Features
Peppermint oil (helps with dryness or itching, may stimulate hair growth)
Argan oil (moisturises, improves scalp health, prevents damage from styling / colour, protects from the sun, may prevent hair loss)
Flaxseed (prevents breakage, reduces frizz, improves growth)
Nettle (helps hair re-growth, treats dandruff)
Waratah (rich in antioxidants and nutrients that deeply nourish the hair, enhancing its strength and vitality)
Olive (repairs damage, adds nourishment, increases shine)
Avocado (increases moisture, repairs damage, adds strength)
Purchase the matching shampoo or conditioner as a duo with (save $12).
Products
Recyclable bottle (250ml)
Australian made
Vegan
Cruelty free
Organic ingredients
Paraben and sulphate free
Please note these products are currently undergoing a relabel — you may receive a slightly different label. Don’t worry though, it’s the same great ingredients and formula!
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.
Healthy / combination hair
Cleansing Shampoo
Dieter Slicke’s Cleansing Shampoo gently removes product build-up and leaves your hair feeling fresh. The clarifying formula has been designed for daily use on most hair types and features Australian botanicals with a subtle, masculine fragrance.
Features
Flannel flower (good for repairing hair)
Comfrey (softens hair, adds shine and soothes an irritated scalp)
Ginseng (prevents hair loss, stops dandruff and adds nourishment)
Nettle (helps hair re-growth, treats dandruff)
Purchase the matching shampoo or conditioner as a duo with (save $12).
Cleansing Conditioner
Dieter Slicke’s Cleansing Conditioner softens and repairs hair to aid styling and improve your hair’s texture. The lightweight formula has been designed for daily use on most hair types and features Australian botanicals with a subtle, masculine fragrance.
Features
Argan oil (moisturises, improves scalp health, prevents damage from styling / colour, protects from the sun, may prevent hair loss)
Flannel flower (good for repairing hair)
Comfrey (softens hair, adds shine and soothes an irritated scalp)
Olive fruit oil (repairs damage, adds nourishment, increases shine)
Avocado oil (increases moisture, repairs damage, adds strength)
Almond oil (soothes dry skin, helps repair sun damage)
Purchase the matching shampoo or conditioner as a duo with (save $12).
Products
Recyclable bottle (250ml)
Australian made
Vegan
Cruelty free
Organic ingredients
Paraben and sulphate free
Please note this product is currently undergoing a relabel — you may receive a slightly different label. Don’t worry though, it’s the same great ingredients and formula!
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.
Blonde / silver hair
Purple Shampoo
Dieter Slicke’s Purple Shampoo uses a special pigment to tone blonde or silver hair. It leaves hair feeling hydrated, replenished and clean. The formula is designed to avoid discolouration between salon treatments.
Features
Watermelon (promotes hair growth, prevents hair loss, moisturises hair)
Ginseng (prevents hair loss, stops dandruff and adds nourishment)
Nettle (helps hair re-growth, treats dandruff)
Purchase the matching shampoo or conditioner as a duo with (save $12).
Purple Conditioner
Dieter Slicke’s Purple Conditioner hydrates and nourishes blonde or silver hair with a special toning pigment. The formula softens hair and helps prevent discolouration between salon treatments.
Features
Argan oil (moisturises, improves scalp health, prevents damage from styling / colour, protects from the sun, may prevent hair loss)
Hydrolysed Quinoa (boosts moisture and repairs hair)
Watermelon (promotes hair growth, prevents hair loss, moisturises hair)
Olive fruit oil (repairs damage, adds nourishment, increases shine)
Avocado oil (increases moisture, repairs damage, adds strength)
Almond oil (soothes dry skin, helps repair sun damage)
Purchase the matching shampoo or conditioner as a duo with (save $12).
Products
Recyclable bottle (250ml)
Australian made
Vegan
Cruelty free
Organic ingredients
Paraben and sulphate free
Please note this product is currently undergoing a relabel — you may receive a slightly different label. Don’t worry though, it’s the same great ingredients and formula!
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.
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.
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.
Frequently Asked Questions (FAQs)
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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.
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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.
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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.
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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.
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Try Dieter Slicke’s Thickening Shampoo + Conditioner, powered by rice protein and botanical extracts to boost volume, strengthen strands, and promote fuller-looking hair.
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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.
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Nope. All Dieter Slicke hair products are free from sulphates, parabens, phthalates and other nasties. Just good stuff your hair actually wants.
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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.
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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.
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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.
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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.
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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.