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The JUSTK Nourishing Keratin & Collagen Shampoo 1000ml is a salon‑grade, restorative shampoo formulated to repair, strengthen, and deeply nourish damaged or stressed hair. Enriched with Keratin, a powerful protein that rebuilds hair structure, and Collagen, known for boosting elasticity and hydration, this shampoo transforms dry, brittle, and chemically treated hair into smooth, shiny, and resilient strands.
Its rich, creamy formula gently cleanses without stripping essential moisture, making it ideal for hair weakened by colouring, bleaching, heat styling, or environmental exposure. The 1000ml professional‑size bottle is perfect for long‑term use, families, or salon backbars, offering exceptional value and consistent results.
Enriched with Keratin to strengthen and rebuild hair fibres
Infused with Collagen to improve elasticity and shine
Gently cleanses while nourishing and repairing damaged hair
Reduces frizz, dryness, and breakage
Ideal for chemically treated, coloured, or heat‑damaged hair
Leaves hair soft, silky, and manageable
Professional 1000ml size for long‑lasting use
Suitable for daily or regular washing
Hair Types: Dry, Damaged, Frizzy, Chemically Treated, Coloured, Heat‑Styled, Weak, Brittle, Coarse Hair
Ideal For:
Hair damaged by colouring, bleaching, or chemical treatments
Hair weakened by frequent heat styling
Frizzy or coarse hair needing smoothing and hydration
Thin or fragile hair needing strength and elasticity
Anyone wanting salon‑quality repair and nourishment at home
Strengthens hair from root to tip
Deeply hydrates and restores moisture balance
Improves elasticity and reduces breakage
Smooths frizz and enhances shine
Helps maintain and prolong keratin or smoothing treatments
Leaves hair feeling soft, silky, and revitalised
Supports long‑term hair health and resilience
This shampoo is designed for those who want visible, long‑lasting repair. Keratin helps rebuild the hair’s natural protein structure, while Collagen boosts hydration and elasticity—creating a powerful combination that restores hair’s vitality. The 1000ml bottle ensures you get professional‑level care at exceptional value, making it perfect for both home and salon use.
Wet hair thoroughly with warm water.
Apply a generous amount of shampoo to the scalp and hair.
Massage gently to create a rich, creamy lather.
Rinse thoroughly and repeat if needed.
Follow with a keratin or collagen conditioner for best results.
Pro Tip: Leave the shampoo on for 1–2 minutes before rinsing to allow deeper penetration into damaged hair fibres.
Keratin, Collagen, Mild Cleansing Agents, Conditioning Agents, Moisturisers, Fragrance, Preservatives.
Formulated to strengthen, hydrate, and repair hair while providing a smooth, glossy finish.
The JUSTK Nourishing – Keratin & Collagen Shampoo 1000ml is available now at Kess Hair & Beauty Online Store, New Zealand’s trusted destination for premium haircare and beauty essentials. Enjoy fast shipping, secure checkout, and authentic JUSTK products. Stock is limited—restore your hair’s strength and shine with this nourishing keratin‑collagen formula today.
Yes — it is ideal for coloured and chemically treated hair.
Yes — keratin smooths the cuticle, reducing frizz and flyaways.
Yes — the formula is gentle enough for regular use.
Yes — it hydrates and strengthens curls while reducing breakage.
The formula is designed to be gentle; check the bottle for full ingredient details.
No — it strengthens without leaving heavy residue.
Yes — it is suitable for all genders and hair types.
Yes — keratin and collagen work together to reinforce weak hair fibres.
Yes — it supports and prolongs the effects of keratin treatments.
It has a pleasant, salon‑quality fragrance that is not overpowering.
Great service and super quick delivery
I just loved this product. My hair used to be so dry and damaged but after applying this oil it is looks good. It’s everyday wear. Either it’s party or what ever function it’s a must I should wear it. Best part is that it doesn’t make ur hair look oily but gives more natural looks. It smells good as well.
Great products
Will definitely purchase this again. Smells so nice too.
Always great service with this company. Orders always arrive promptly and prices are very good. The Joico Finishing Spray is excellent and I use it all the time on my very fine flyaway hair!
Best products ever. Fresh, moist and dazzling.
A lovely free gift and good to use
Excellent product it does what it says it will do. I have tried similiar products and none compare. This is the third time I have brought this product and will most definitely buy again.
I have been using this for a few years now and have no intention to change. Gives my fine hair a bit more body without the stickiness. Makes crunch drying easy. Love it.
Excellent website, great communication and efficient delivery.
Very swift delivery, & quality products, these make excellent Xmas gifts.
I love this hair oil, it is my third one, leave my hair soft and improved my ends
Excellent condition and excellent product
Beautiful free gift. Thank you
Excellent condition. Free gift is amazing too
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