"It is obvious the formula has chnaged. The scent is no longer good and the mask itself is thinner and lest able to adhere to my hair. Very dissapointed in the changes and quality of this product that I had happily been using for years. ."
Kaizen Repairing Treatment Masque
Regular price
$19.99
Unit price
per
Shipping calculated at checkout.
Strength that builds with time.
An intensive yet weightless treatment masque that helps repair, strengthen, and smooth damaged hair.
Designed for ongoing rituals, this rich formula improves softness, shine, and elasticity—without heaviness.
Delivers as soon as
Sunday, June 14
BENEFITS
PERFECT FOR
SMELLS LIKE
INGREDIENTS
Free U.S.* Shipping $30+
Free 30 Days Returns
Always Cruelty Free
We Give 1% Back For Every Sale
HOW TO
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Full Ingredient List
Inside The Formula
Key Ingredients
Formulated Without
What is J-Beauty?
Efficacious, minimalistic treatments designed meticulously with trusted Japanese heritage, ingredients and technological innovation.
Developed with a distinctive Japanese approach: relentless pursuit of excellence in refining the optimal combination of time-tested tradition and science's latest discoveries.
NatureLab.TOKYO is Japanese beauty.
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Contiguous U.S. Shipping
Free shipping with orders $60+. We don't currently ship outside of the United States. Stay tuned for more updates.
Order Tracking
Tracking numbers are automatically sent as soon as your order is packed. Please check your junk folder if you do not receive one 72 hours after placing your order.
Get In Touch
If you have any questions about your order please email us at help@naturelab.com. Our customer service is available Monday through Friday from 8am until 12pm pst.
Customer Reviews
Overall rating: 4.8544774 / 5 from 536 reviews.
AI Generated Review Summary
The Perfect Repair Treatment Masque revitalizes dull hair with its deep conditioning formula, praised for its excellent results, refreshing scent, creamy texture, and effective ingredients. Customers love how it makes their hair feel soft, silky, and healthy, and look smooth and shiny.
Summary topics
- Effectiveness: 8%
- Scent: 30%
- Texture: 5%
- Hair Feel: 59%
- Hair Look: 8%
Review topics: ["color","ingredients","size","scent","hair","fragrance","scalp","drying","volume","results","protection","cleanse","skin","improvement","quality","curls","residue","aroma","hydration","comb","benefits","value","appearance","frizz","look","texture","reduction","effect","style","feeling"].
Review highlights
- "I also use it on my daughter and her hair smells so amazing and feels very hydrated after using the products." —
- "After using, my hair looks healthier, my strands are left feeling soft and my hair is easier to manage overall." —
- "Smells so good and my hair feels silky soft and thicker." —
Reviews
Good hydrating hair treatment
"I have been using this masque for the past 2 weeks and I can confidently say it’s one of my favorites! The texture is not too heavy, it doesn’t leave hair greasy but hydrated. Immediately after one use you can see the change. It leaves the hair manejable, hydrated, soft and silky. Definitely recommend!"
"Product works great. Great seller will be ordering again."
Soft hair!
"Great for use after scalp scrub"
My hair feels so soft after using this 🌿
"The Mask is super creamy and smells amazing. It made my ends smooth and shiny without feeling heavy. And since it’s keratin as well it made my hair a little heavy but straight, if you have hair like mine which is a little curvy, I think it will have that effect on you too. Oh, and it also helped me brush my hair after with ease, my hair get so tangled. Definitely a new favorite 🤍"
Soft and glossy hair
"I really liked the results from this hair masque. I applied the product while in the shower and left it on for about 4 minutes. Once I rinsed it out and blow dried my hair, it was softer and shinier than ever! After styling, my hair was super smooth and glossy. Will definitely be adding this to my regular hair routine!"
Amazing smell - works well!
"This smells AMAZING! Does a good job of nourishing but need to use a decent amount. I don’t have very long hair, but needed to use a sizable amount. Did not use other condition and hair felt good coming out of the shower and the next day. I have fine hair, and it didn’t weigh it down too much"
Makes hair soft and smells really good!
"So far I’m really enjoying this Perfect Repair Treatment Masque by NatureLab. TOKYO. I’ve never heard of the brand before but I was really impressed by the simple and clean packaging. The color of the product is lovely and the smell is so good! Smells like a clean, floral scent. My hair feels so unbelievably soft when rinsing it off, and remains soft afterwards. I really like it so far and will continue to use it."
Leaves hair silky, repaired, and smelling amazing
"I’ve been using the NatureLab. Tokyo Perfect Repair Treatment Masque for a few weeks, and it has truly revived my hair. The texture is rich but not heavy, and it spreads easily through my strands. After rinsing, my hair feels softer, smoother, and noticeably stronger. The scent is fresh and clean, not overpowering, and it lingers just enough to make your hair smell salon-fresh. I also appreciate the minimalistic packaging — it looks elegant in my shower and is easy to scoop out. Overall, it delivers great results for the price."
Smells great!
"I love the smell and texture of this product! It smells like a spa when you're using it, but I find that the smell doesn't really stay in my hair after the shower (This could be a plus for some folks). I haven't used it long term, but so far it mostly feels like a solid conditioner rather than a powerful mask!"
Q&A
- At what point do you apply this? After shampooing? Before? After conditioning? Thanks!
- Hi, the Repair Treatment Masque can be applied on dry or damp clean hair. We generally recommend applying on damp, towel-dried hair after shampooing, and you may not need to use a separate conditioner after depending on your hair needs.
- Can this be used in place of a regular conditioner? I wanted to purchase the Volume conditioner but am looking for a silicone-free conditioner. Thanks!!
- We recommend using the Repair Treatment Masque as more of a weekly treatment/deep conditioner rather than a standard conditioner. How often you want to use it may depend on what your hair type allows!
- Does this product have silicone in it?
- This product is silicone free!
- How often is this product to be used?
- Hi, we recommend using the Repair Treatment Masque about once a week, but you can use it more or less often depending on your hair needs!
- can I leave it overnight?
- Yes!
LEARN MORE ON OUR BLOG:
Why J-Beauty Hair Rituals Deserve a Spot in Your Routine
J-Beauty is more than hair care—it’s a mindful ritual. With NatureLab.TOKYO, everyday routines become moments of balance, beauty, and lasting results.