---
product_id: 736068849
title: "Defy Damage In A Flash 7-Second Bond Building Hair Treatment | With Liquid Keratin | Quick Bond Strengthening & Protection | Color -Safe | Unique Liquid-To-Crème Formula | 7.1 Fl Oz"
brand: "joico"
price: "¥17420"
currency: JPY
in_stock: true
reviews_count: 5
category: "Joico"
url: https://www.desertcart.jp/products/736068849-defy-damage-in-a-flash-7-second-bond-building-hair
store_origin: JP
region: Japan
---

# 7-second rapid bond repair Low-water formula activates on contact Liquid keratin rebuilds 80% hair structure Defy Damage In A Flash 7-Second Bond Building Hair Treatment | With Liquid Keratin | Quick Bond Strengthening & Protection | Color -Safe | Unique Liquid-To-Crème Formula | 7.1 Fl Oz

**Brand:** joico
**Price:** ¥17420
**Availability:** ✅ In Stock

## Summary

> ⚡ Flash Your Strongest Hair Yet – Because Waiting is So Last Season!

## Quick Answers

- **What is this?** Defy Damage In A Flash 7-Second Bond Building Hair Treatment | With Liquid Keratin | Quick Bond Strengthening & Protection | Color -Safe | Unique Liquid-To-Crème Formula | 7.1 Fl Oz by joico
- **How much does it cost?** ¥17420 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/736068849-defy-damage-in-a-flash-7-second-bond-building-hair)

## Best For

- joico enthusiasts

## Why This Product

- Trusted joico brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Color-Safe Formula:** Protects vibrant hair color while repairing and strengthening strands.
- • **Keratin Powerhouse:** Infuses essential liquid keratin to restore and fortify damaged hair fibers.
- • **Instant Strength Boost:** Transforms hair bonds in just 7 seconds for resilient, silky-smooth locks.
- • **Salon-Approved Results:** Clinically proven to reduce breakage and enhance shine for a healthy, weightless finish.
- • **Smart Low-Water Activation:** Unique exothermic reaction turns liquid to crème, maximizing treatment efficacy.

## Overview

Joico Defy Damage In A Flash is a cutting-edge 7-second bond-building hair treatment featuring liquid keratin and a unique low-water formula that instantly strengthens, protects, and smooths hair. Designed for color-treated and damaged hair, it rebuilds broken bonds, reduces breakage, and delivers salon-quality shine and resilience with every use.

## Description

Joico Defy Damage In A Flash 7-Second Bond Builder rebuilds broken hair bonds, leaves hair silky smooth without added weight, and builds resistance to damage & breakage. Perfect for restoring & maintaining healthy, strong, & damage-resistant hair.

Review: Amazing my hair has grown so fast and barely broken. Love it!
Review: This has been a miracle for my hair. My hair was so dry and brittle with breakage. My hair stylist used it on me at the salon and suggested it for continued use. When I returned in 28 days she was jaw dropping amazed at the difference of softness, strength and no breakage. Softness you can feel to the touch and see the beautiful shine. I wash my hair every 3 days.

## Features

- IN A FLASH: Our nearly instantaneous 7-second hair bond transformer for strong, resilient, silky soft, healthy-looking hair.
- LIQUID KERATIN: The essential building block of healthy hair, makes up 80% of human hair and can be lost during chemical services or when hair has been damaged.
- ENHANCED BONDING TECHNOLOGY: Builds bonds and strengthens hair fibers for healthy-looking results you can see and feel.
- LOW-WATER FORMULA: A unique formula that undergoes an exothermic reaction when it comes into contact with water creating a liquid-to-crème treatment.
- Joico Defy Damage In A Flash 7-Second Bond Builder provides damage protection, extra boost of resilience and shine, replenishes moisture, reduces hair breakage, leaves hair silky smooth, weightless, and healthy-looking for a perfect everyday look.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CWCNFDRF |
| ASIN  | B0CWCNFDRF |
| Best Sellers Rank | #333,985 in Beauty ( See Top 100 in Beauty ) #142 in Chemical Hair Straighteners |
| Customer reviews | 4.5 4.5 out of 5 stars (336) |
| Date First Available  | 13 August 2024 |
| Item model number | 1255662 |
| Item model number  | 1255662 |
| Manufacturer | Joico |
| Manufacturer  | Joico |
| Product Dimensions | 4.9 x 4.9 x 17.09 cm; 222.26 g |
| Product Dimensions  | 4.9 x 4.9 x 17.09 cm; 222.26 g |

## Product Details

- **Brand:** Joico
- **Hair type:** All
- **Item form:** Liquid
- **Material features:** Global Animal-Free Testing, PETA Certified, Silicone Free

## Images

![Defy Damage In A Flash 7-Second Bond Building Hair Treatment | With Liquid Keratin | Quick Bond Strengthening & Protection | Color -Safe | Unique Liquid-To-Crème Formula | 7.1 Fl Oz - Image 1](https://m.media-amazon.com/images/I/61r8YdOHOJL.jpg)

## Questions & Answers

**Q: How is Defy Damage In A Flash 7-Second Bond Builder unique?**
A: Defy Damage In A Flash is a low-water formula, making it highly concentrated. When it comes into contact with water, it undergoes an exothermic reaction that causes the treatment to transform into a creamy lotion.

**Q: How often should I use In a Flash?**
A: Whenever your hair needs an extra boost of resilience and shine.

**Q: Is this animal test-free?**
A: In a Flash is PETA-approved, animal test-free, like all Joico products.

**Q: Should In a Flash be applied on the scalp?**
A: It’s best to avoid applying it on the scalp. Most hair treatments are recommended for mid-length to ends. Please refer to the illustration on the package for guidance.

**Q: Should I skip using conditioner on the day I use In a Flash?**
A: Yes, you can skip conditioner the day you use this treatment.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by A***I on 12 February 2026*

Amazing my hair has grown so fast and barely broken. Love it!

### ⭐⭐⭐⭐⭐ Review
*by L***A on 14 December 2025*

This has been a miracle for my hair. My hair was so dry and brittle with breakage. My hair stylist used it on me at the salon and suggested it for continued use. When I returned in 28 days she was jaw dropping amazed at the difference of softness, strength and no breakage. Softness you can feel to the touch and see the beautiful shine. I wash my hair every 3 days.

### ⭐⭐⭐⭐⭐ Review
*by A***A on 28 January 2026*

Surpresa com mais essa tecnologia joico!

## Frequently Bought Together

- Joico Defy Damage In A Flash 7-Second Bond Building Hair Treatment | With Liquid Keratin | Quick Bond Strengthening & Protection | Color -Safe | Unique Liquid-To-Crème Formula | 7.1 Fl Oz
- Joico K-PAK Color Therapy Luster Lock Glossing Oil | For Color-Treated Hair | For Color-Protection & Shine | Tame Frizz | With Keratin & Argan Oil | 2.13 Fl Oz
- Joico Defy Damage Invincible Frizz-Fighting Bond Protector | 24 Hour Frizz Protection | Thermal Heat & Humidity Protection | Boost Shine | Reduce Breakage | Leave-In Spray | 180mL

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-04-22*