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The JUSTK Nourishing Keratin & Collagen Mask 250ml is an intensive, salon‑quality treatment designed to deeply repair, hydrate, and strengthen dry, damaged, or chemically treated hair. Formulated with a powerful blend of Keratin to rebuild hair structure and Collagen to enhance elasticity and softness, this mask delivers transformative results from the very first use.
Its rich, creamy formula penetrates deeply into the hair shaft to restore moisture, reduce breakage, and smooth frizz. Whether your hair has been weakened by colouring, bleaching, heat styling, or environmental stress, this mask revitalises each strand, leaving your hair silky, shiny, and noticeably healthier.
Intensive repair mask enriched with Keratin and Collagen
Deeply nourishes and hydrates dry, damaged hair
Strengthens weak, brittle strands
Smooths frizz and enhances shine
Improves elasticity and reduces breakage
Ideal for chemically treated or heat‑damaged hair
Rich, creamy texture for deep penetration
Suitable for weekly or bi‑weekly treatments
Comes in a 250ml jar
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 heat styling tools
Frizzy or coarse hair needing smoothing and hydration
Thin or fragile hair needing strength and elasticity
Anyone wanting a deep‑repair, salon‑quality treatment at home
Rebuilds and strengthens hair fibres
Deeply hydrates and restores softness
Reduces breakage and split ends
Smooths frizz and enhances shine
Improves hair elasticity and resilience
Leaves hair silky, manageable, and revitalised
Supports and prolongs keratin or smoothing treatments
This mask is perfect for anyone seeking a powerful, restorative treatment that delivers visible results. Keratin helps rebuild the hair’s natural protein structure, while Collagen boosts moisture retention and elasticity. Together, they create a luxurious, deeply nourishing formula that transforms dull, damaged hair into smooth, strong, and vibrant strands. It’s the ideal weekly treatment to complement the JUSTK Keratin & Collagen Shampoo and Conditioner.
After shampooing, apply the mask to towel‑dried hair.
Focus on mid‑lengths and ends, avoiding the scalp.
Distribute evenly using fingers or a wide‑tooth comb.
Leave on for 5–10 minutes for deep repair.
Rinse thoroughly with cool or lukewarm water.
Use 1–2 times per week for best results.
Pro Tip: For extremely damaged hair, wrap hair in a warm towel while the mask processes to boost absorption.
Keratin, Collagen, Deep Conditioning Agents, Moisturisers, Emollients, Fragrance, Preservatives.
Formulated to strengthen, hydrate, and smooth hair while enhancing shine and manageability.
The JUSTK Nourishing – Keratin & Collagen Mask 250ml 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 intensive keratin‑collagen treatment today.
Yes — it is ideal for coloured and chemically treated hair.
Use 1–2 times per week depending on hair damage.
Yes — keratin smooths the cuticle, reducing frizz and flyaways.
Yes — it hydrates and strengthens curls while reducing breakage.
No — it nourishes deeply without leaving heavy residue when used correctly.
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.
5–10 minutes is ideal for deep repair.
It has a pleasant, salon‑quality fragrance that is not overpowering.
Excellent hair oil for myself & kids, a trusted and true brand, excellent price and speedy shipping, thank you!
My hair has never been softer, or had such good curls
I love this product. The name says it all... perfect product for dry hair with a lovely coconut fragrance. It tames my thick hair down and puts the shine back into it.
Recommend this lovely product
Best hair gel I have found. Perfect hold- just enough but not too much, Not sticky when dry. Smells great. Easy to brush out.
Im in love with the shampoo and conditioner!!! It smells absolutely AMAZING and makes my hair feel GREAT!! HIGHLY RECOMMEND
Osmo Volume Shampoo is the best I've tried. It does what it says and my hair looks fantastic!
Quiche
Quick and Easy trade.
I have very thick hair. This product is true to its claim. After only using it a few times my hair isn’t so dry and feels lovely and soft.
I love wella colourmotion shampoo! My hair thickens up beautifully and I love the scent. Thanks Wella
I keep going back to Joico because it's very good for my fine hair. Have used it for many many years, and the other Joico products.
This dark spot serum really does work!
I noticed within a week that dark spots had faded - very pleased & recommend
Grapefruit is Devine!! I really hope they don't stop making it as getting harder to purchase! Thanks
Repeat purchase. greag product at s great price. Fast delivery too.
Super fast shipping and communication. Highly recommended to all AAA+++
I have used this lotion for over 2yrs and I will keep doing so. Nourishing, curl enhancing without leaving an heavy feeling to the hair. And it smells wonderful!
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