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The JUSTK Nourishing Keratin & Collagen Shampoo 300ml is a restorative, strengthening shampoo designed to revive dry, damaged, frizzy, or chemically treated hair. Infused with Keratin to rebuild hair structure and Collagen to boost elasticity and shine, this shampoo delivers salon‑quality nourishment with every wash. Its rich, creamy formula gently cleanses while reinforcing the hair fibre, leaving your hair smoother, stronger, and visibly healthier.
Perfect for hair that has been weakened by colouring, heat styling, or environmental stress, this shampoo restores softness and manageability while reducing breakage. With consistent use, your hair becomes more resilient, hydrated, and beautifully revitalised.
Strengthening formula enriched with Keratin and Collagen
Gently cleanses while repairing damaged hair
Restores elasticity, shine, and smoothness
Reduces frizz and breakage
Ideal for chemically treated, coloured, or heat‑damaged hair
Helps rebuild hair structure from within
Leaves hair soft, silky, and manageable
Suitable for daily or regular use
Comes in a 300ml bottle
Hair Types: Dry, Damaged, Frizzy, Chemically Treated, Coloured, Heat‑Styled, Weak or Brittle Hair
Ideal For:
Hair damaged by colouring, bleaching, or chemical treatments
Hair weakened by heat styling (straighteners, curlers, blow dryers)
Frizzy or coarse hair needing smoothing
Thin or fragile hair needing strength and elasticity
Anyone wanting healthier, shinier, more manageable hair
Rebuilds and strengthens hair fibres
Deeply nourishes and hydrates dry, stressed hair
Improves elasticity and reduces breakage
Smooths frizz and enhances shine
Helps restore softness and manageability
Supports long‑term hair health and resilience
Enhances the results of keratin or smoothing treatments
This shampoo is formulated for those who want salon‑level repair and nourishment at home. Keratin helps rebuild the hair’s natural protein structure, while Collagen boosts elasticity and moisture retention. Together, they create a powerful restorative blend that transforms dull, damaged hair into smooth, strong, and vibrant strands. It’s the perfect choice for anyone wanting to revive their hair’s natural beauty.
Wet hair thoroughly.
Apply a generous amount of shampoo to the scalp and hair.
Massage gently to create a rich lather.
Rinse well and repeat if necessary.
Follow with a keratin or collagen conditioner for best results.
Pro Tip: For extremely damaged hair, leave the shampoo on for 1–2 minutes before rinsing to allow deeper penetration.
Keratin, Collagen, Mild Cleansing Agents, Conditioning Agents, Moisturisers, Fragrance, Preservatives.
Formulated to strengthen, hydrate, and repair hair from root to tip.
The JUSTK Nourishing – Keratin & Collagen Shampoo 300ml 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—revitalise your hair with this nourishing keratin‑collagen formula today.
Yes — it is ideal for coloured and chemically treated hair.
Yes — keratin smooths the hair cuticle, reducing frizz and flyaways.
Yes — the formula is gentle enough for regular use.
Yes — it enhances moisture and reduces breakage in curls.
The formula is designed to be gentle; check the bottle for specific ingredient details.
No — it cleanses effectively while maintaining balanced hydration.
Yes — it is suitable for all genders and hair types.
Yes — keratin and collagen strengthen the hair fibre to reduce breakage.
Yes — it supports and prolongs the effects of keratin treatments.
It has a pleasant, salon‑quality fragrance that is not overpowering.
Great product
As described and a great price.
Love it, keeps my colour fresh
I’ve finally found a hair care range that gives me the results I want, my hair feels amazing! A little goes a long way so it’s well worth the money and scent is incredible!
Perfect!- lovely product- amazing service!- thankyou
Good product and service.
Kevin Murphy Young Again wash & rinse was recommended to me by a hairdresser and it is fabulous. It makes my hair so soft and silky, I cannot stop running my hands through it. Definitely recommend giving this a try
Fast delivery, havent tryed yet, but packaging was well done no spillage,and fast delivery.,ive used these colours before, also use as tonner!! Tone down brassy look,i have darker hair,works well for an ashy shade on my natural
Excellent products, no problems with delivery.
Feels super natural & extra clean cleansed skin afterwards. Definitely buying again.
My hair is quite fine and Joico Joifull Volumizing Styler works wonders
Very nices
I use these brushes both for my daughter and I's fine curly/ wavy hair that easily tangled. Great product highly recommend
Great color. I love the violet red time in my hair. Much nicer, cooler red.
A great product for my grey hair. I love it !
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