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The JUSTK Nourishing Keratin & Collagen Conditioner 300ml is a deeply restorative, smoothing conditioner designed to repair, strengthen, and hydrate dry, damaged, or chemically treated hair. Infused with Keratin to rebuild weakened hair fibres and Collagen to boost elasticity and softness, this conditioner transforms brittle, frizzy, and stressed hair into silky, manageable, and healthier‑looking strands.
Its rich, creamy formula detangles effortlessly while sealing moisture into the hair cuticle, reducing frizz and breakage. Whether your hair has been damaged by colouring, bleaching, heat styling, or environmental stress, this conditioner delivers salon‑quality nourishment with every use.
Enriched with Keratin to strengthen and repair hair
Infused with Collagen for elasticity, softness, and shine
Deeply hydrates and nourishes dry, damaged hair
Smooths frizz and reduces breakage
Detangles hair for easier styling
Ideal for chemically treated, coloured, or heat‑damaged hair
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, Brittle, Coarse Hair
Ideal For:
Hair damaged by colouring or bleaching
Hair weakened by straighteners, curlers, or blow dryers
Frizzy or coarse hair needing smoothing
Thin or fragile hair needing strength and elasticity
Anyone wanting softer, shinier, more manageable hair
Strengthens hair from root to tip
Deeply moisturises and restores softness
Improves elasticity and reduces breakage
Smooths frizz and enhances shine
Helps maintain keratin or smoothing treatments
Leaves hair silky, manageable, and revitalised
Supports long‑term hair health and resilience
This conditioner is perfect for anyone wanting salon‑quality repair and hydration at home. Keratin rebuilds the hair’s natural protein structure, while Collagen boosts moisture retention and elasticity. Together, they create a powerful restorative blend that transforms dull, damaged hair into smooth, strong, and vibrant strands. It’s the ideal follow‑up to the JUSTK Keratin & Collagen Shampoo for maximum results.
After shampooing, apply conditioner to mid‑lengths and ends.
Distribute evenly using fingers or a wide‑tooth comb.
Leave on for 2–3 minutes for deep nourishment.
Rinse thoroughly with cool or lukewarm water.
Style as usual.
Pro Tip: For extremely damaged hair, leave the conditioner on for 5 minutes before rinsing.
Keratin, Collagen, Conditioning Agents, Moisturisers, Emollients, Fragrance, Preservatives.
Formulated to strengthen, hydrate, and smooth hair while enhancing shine and manageability.
The JUSTK Nourishing – Keratin & Collagen Conditioner 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—revive your hair 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.
No — it nourishes without leaving heavy residue.
Conditioners typically do not contain sulphates; check the bottle for full ingredient details.
Yes — it is suitable for all genders and hair types.
Yes — keratin and collagen reinforce weak hair fibres 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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