No.301 Pure Hydration Shampoo
Hair Care
375ml
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Refreshing like the ocean, our No.301 Pure Hydration Shampoo is formulated with active plant DNA and powerful Australian bush extracts to promote hair’s natural shine and balance moisture levels. Suitable for all hair types and gentle enough for daily use.
Product Description
Product Description
Refresh your hair and scalp with our sulphate free No.301 Pure Hydration Shampoo, a gentle cleanser that balances and revitalises with every wash. Infused with active plant DNA and powerful Australian bush extracts, it promotes hair softness while imparting a brilliant shine.
The uplifting blend of lavender, pink grapefruit, patchouli, and ginger essential oils works like rippling ocean waves to cleanse and invigorate your senses. Enhanced with nourishing extracts—lemon aspen to tone and balance pH, macadamia oil to hydrate, kangaroo paw flower to rejuvenate and add shine, and Vitamin E to help protect against the effects of environmental stressors—this shampoo truly cares for your locks.
Its pH-balanced formula, enriched with Native Wildberry Harvest™, is gentle enough for daily use. Plus, it’s free from sulphates, parabens, silicones, mineral oils, glycols, synthetic fragrances, artificial colours, formaldehyde, methylisothiazolinone, polysorbates, and polyethylene, so you can enjoy naturally beautiful hair without any harsh additives.
The Fragrance: A soothing yet vibrant blend of lavender, pink grapefruit, patchouli, and ginger essential oils—fresh, comforting, and perfect for unwinding.
Biology products come with a flip cap. Re-usable pumps sold separately.
Add a pump for $2 here.
Ingredients
Ingredients
Purified water, Cocamidopropyl Betaine, Lauryl Glucoside, Decyl glucoside, Sodium Lauroyl Sarcosinate, Sodium Cocoyl Isethionate, Glycerin, Alcohol Denat., Tasmania Lanceolata Fruit Extract. Syzygium Leuhmanii Fruit Extract, Kunzea Pomifera Fruit Extract, Phospholipids, Glycine Soja Oil, Glycopilids, Glycine Soja Sterols, Phenoxyethanol, Lavandula Hybrida Grosso Oil, citrus Paradisi Oil, Lavendula Angustifolia, Pogostemon Cablin Oil, Zingiber Officinate Root Oil, Polyquaternium-7, Sodium Benzoate, Acronychia Acidula Fruit Extract, Macadamia Ternifolia Seed Oil, Anigozanthos Manglesii Extract, Citric Acid, Linalool, D-Limonene






Key Benefits
- This sulphate-free formula refreshes your hair and scalp while keeping it soft, smooth, and full of shine.
- Packed with Australian bush extracts like macadamia oil, kangaroo paw flower, and Vitamin E to protect, rejuvenate, and balance.
- The Fragrance: A soothing yet vibrant blend of lavender, pink grapefruit, patchouli, and ginger essential oils—fresh, comforting, and perfect for unwinding.

How To Use
Massage into wet hair and scalp for 2 minutes. Rinse thoroughly. Repeat for a deeper cleanse if desired. Follow with No.302 Pure Hydration Conditioner for the ultimate hair result.
Hero Ingredients
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Native Wildberry Harvest ™
A bioactive complex composed of 3 Native Australian super-berries; Pepperberry, Riberry and Muntari Berry, selected to help stimulate hyaluronic acid within the follicle, replenish moisture levels and enhance hair shine. Combined to balance the scalp’s lipid barrier while boosting hydration and relieving dryness.
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Macadamia Oil
Macadamia Oil hydrates, conditions, and protects hair from moisture loss, leaving it soft and nourished.
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Lemon Aspen
Rich in fruit acids, Lemon Aspen gently tones, cleanses, and balances pH for a refreshed and healthy scalp.
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Kangaroo Paw Flower
This nourishing extract helps restore shine, rejuvenate the scalp, and strengthen hair for a smooth, glossy finish.
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Vitamin E
A powerful antioxidant, Vitamin E protects against UV damage, nourishes the scalp, and supports strong, resilient hair.
Our Perks
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Free Samples
Two travel sizes with all orders
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Pay Later with AfterPay
Choose AfterPay at checkout
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Free Shipping
Over $50 in Australia
I came across the range on holidays where I was staying near Melbourne. I was sold after one use and have been using ever since. Hair is soft, shiny and manageable and I find I can go 2-3 days between shampoos - something I would never do before. I love that it is an Australian company using Australian ingredients. It feels luxury and high end and yet very affordable given you don’t need to use a lot and I wash less frequently. I found the pump also very practical to use. I highly recommend. Service has also been very prompt and good. A customer for life.
I love this gentle shampoo, it leaves my hair clean without dring it out.
I started using biology 301 after trying it at Pinnacle Valley Resort, and haven't stopped using it since. I love the smell and my hair is in very good condition.
I visited Australia 7 years ago. I'm an old guy who doesn't have a lot of hair and never gave hair shampoo much thought. Your product was in several hotels and Air BNBs that we rented. I really liked it. It smells nice and works well. Can't get it in Canada. I think people here would like it too. Your adds with beaches and sun are appealing, we don't have the beautiful ocean scapes you use. I kind of am reminded of those things when I use your produc,t strangely enough. I think you should sell your shampoo in Canada.
Found this at my hotel stay and ordered right away! I love this with the conditomer too. It's the best