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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.
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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