---
product_id: 785108718
title: "Silk Therapy Original, Reconstructing Leave-In Hair Treatment, Adds Shine, Smooths & Prevents Split Ends, Sulfate-Free, Paraben-Free, Cruelty-Free, 2.26 Oz"
brand: "biosilk"
price: "¥3817"
currency: JPY
in_stock: true
category: "Bio Silk"
url: https://www.desertcart.jp/products/785108718-silk-therapy-original-reconstructing-leave-in-hair-treatment-adds-shine
store_origin: JP
region: Japan
---

# Sulfate & paraben-free, cruelty-free Weightless leave-in formula Repairs & strengthens hair Silk Therapy Original, Reconstructing Leave-In Hair Treatment, Adds Shine, Smooths & Prevents Split Ends, Sulfate-Free, Paraben-Free, Cruelty-Free, 2.26 Oz

**Brand:** biosilk
**Price:** ¥3817
**Availability:** ✅ In Stock

## Summary

> ✨ Unlock your hair’s silk secret and shine like never before!

## Quick Answers

- **What is this?** Silk Therapy Original, Reconstructing Leave-In Hair Treatment, Adds Shine, Smooths & Prevents Split Ends, Sulfate-Free, Paraben-Free, Cruelty-Free, 2.26 Oz by biosilk
- **How much does it cost?** ¥3817 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/785108718-silk-therapy-original-reconstructing-leave-in-hair-treatment-adds-shine)

## Best For

- biosilk enthusiasts

## Why This Product

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

## Key Features

- • **Light as Air:** Weightless leave-in treatment that nourishes without any heaviness or residue.
- • **Multi-Tasking Magic:** Detangles, conditions, adds shine, and shields hair from heat and environmental stress.
- • **Silk-Powered Repair:** Infuses silk proteins to rebuild and smooth damaged strands for a flawless finish.
- • **Universal Hair Hero:** Perfectly formulated for all hair types—straight, wavy, curly, fine, or textured.
- • **Clean Beauty Commitment:** Sulfate-free, paraben-free, and cruelty-free for guilt-free, radiant hair care.

## Overview

BioSilk Silk Therapy Original is a 2.26 oz weightless leave-in hair treatment enriched with silk proteins and botanical extracts. Designed to repair, smooth, and protect all hair types, it prevents split ends and reduces frizz while being sulfate-, paraben-, and cruelty-free. Ideal for use on wet or dry hair, it delivers multi-purpose care that enhances shine and strengthens hair without weighing it down.

## Description

BioSilk Silk Therapy Original is a weightless leave-in silk replenishing and reconstructing treatment that helps repair, smooth and protect all hair types.

## Features

- WEIGHTLESS LEAVE‑IN TREATMENT: Silk Therapy Original infuses hair with silk proteins to repair, smooth, and protect strands without heaviness.
- REPAIRS & STRENGTHENS: Helps rebuild damaged hair, prevent split ends, reduce frizz and improve shine for healthier‑looking hair.
- ALL‑HAIR TYPES FORMULA: Gentle, cruelty‑free, sulfate‑ and paraben‑free treatment suitable for straight, wavy, curly, fine or textured hair.
- MULTI‑PURPOSE CARE: Use on wet or dry hair to detangle, condition, add shine, and help protect from heat and environmental stress.
- BIOSILK: The quest for healthier hair is how BioSilk Silk Therapy emerged in 1986. The creation of the BioSilk Silk Therapy Original treatment has led to the development of a full range of BioSilk hair products.
- repairs

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00J4G1ZRS |
| ASIN  | B00J4G1ZRS |
| Additional Features | Strengthens |
| Age Range Description | Adult |
| Batteries  | 1 A batteries required. |
| Best Sellers Rank | #2,511 in Beauty & Personal Care ( See Top 100 in Beauty & Personal Care ) #19 in Hair Styling Gels |
| Brand Name | BioSilk |
| Customer Reviews | 4.7 4.7 out of 5 stars (9,690) |
| Department  | Beauty |
| Global Trade Identification Number | 00633911745984 |
| Hair Conditioner Type | Leave-In Hair Conditioner |
| Hair Type | All |
| Is Discontinued By Manufacturer  | No |
| Item Dimensions | 1 x 1 x 4 inches |
| Item Form | Drop |
| Item Weight | 2.26 Ounces |
| Item model number  | BSST2A |
| Liquid Volume | 67 Milliliters |
| Manufacturer | BioSilk |
| Manufacturer  | BioSilk |
| Manufacturer Part Number | BSST2 |
| Material Features | Gluten Free |
| Material Type Free | Paraben Free |
| Model Number | BSST2A |
| Number of Items | 1 |
| Package Type Name | Bottle |
| Product Benefits | Rejuvenating |
| Product Dimensions  | 1 x 1 x 4 inches; 2.26 ounces |
| Recommended Uses For Product | Softening,Split,Smoothening,Split Ends,Shine,All Hair Types |
| Scent Name | Aquatic |
| Size | 2.26 Fl Oz (Pack of 1) |
| Special Ingredients | Silk Proteins, Botanical Extracts and Herbs |
| UPC | 094017600735 091258003448 095017600732 |
| UPC  | 094017600735 091258003448 095017600732 |
| Unit Count | 2.26 Fluid Ounces |

## Product Details

- **Brand:** BioSilk
- **Hair Type:** All
- **Item Form:** Drop
- **Material Feature:** Gluten Free
- **Product Benefits:** Rejuvenating

## Images

![Silk Therapy Original, Reconstructing Leave-In Hair Treatment, Adds Shine, Smooths & Prevents Split Ends, Sulfate-Free, Paraben-Free, Cruelty-Free, 2.26 Oz - Image 1](https://m.media-amazon.com/images/I/51P45IrSnJL.jpg)

## Available Options

This product comes in different **Size, Style** options.

## Questions & Answers

**Q: Why does it say 1 A battery required??**
A: That is a mistake in the listing. No batteries are required

**Q: Where is this product made ?**
A: USA,   ,Farouk product,  Chicago, I think.  Wonderful stuff!

**Q: Can it be used to silk wrap your hair?**
A: Yes it can I use it all time time depending on how much hair you have. You do not want to use a lot it will weight your hair down I have long hair I use a dime size amount.

**Q: I love this stuff but hate the smell.  It's so overpowering.  Can anyone recommend something similar that doesn't have such a strong smell?**
A: I love this.  The smell is different for each of us.

## Frequently Bought Together

- BioSilk Silk Therapy Original, Reconstructing Treatment For Adding Shine & Helping Prevent Split Ends, Sulfate, Paraben, & Cruelty-Free, 2.26 Oz
- CHI 44 Iron Guard Thermal Protection Spray, Nourishing Formula Helps Resist Heat Damage to Hair & Tame Frizz, 2 Oz
- BioSilk Hydrating Therapy Pure Moisture Leave-In Spray, Replenishes Hair Moisture & Protects From Frizz, Sulfate, Paraben, & Cruelty-Free, 7 Oz

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**Shop now:** [https://www.desertcart.jp/products/785108718-silk-therapy-original-reconstructing-leave-in-hair-treatment-adds-shine](https://www.desertcart.jp/products/785108718-silk-therapy-original-reconstructing-leave-in-hair-treatment-adds-shine)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-07-07*