---
product_id: 5206257
title: "BioSilk Silk Therapy Original, Leave-In Hair Treatment, 5.64 Oz"
brand: "biosilk"
price: "€ 35.43"
currency: EUR
in_stock: true
category: "Bio Silk"
url: https://www.desertcart.gr/products/5206257-biosilk-silk-therapy-original-leave-in-hair-treatment-5-64
store_origin: GR
region: Greece
---

# Sulfate & paraben free, cruelty-free Weightless, leave-in hydration Silk proteins repair & strengthen BioSilk Silk Therapy Original, Leave-In Hair Treatment, 5.64 Oz

**Brand:** biosilk
**Price:** € 35.43
**Availability:** ✅ In Stock

## Summary

> ✨ Unlock your hair’s silk secret for unstoppable shine!

## Quick Answers

- **What is this?** BioSilk Silk Therapy Original, Leave-In Hair Treatment, 5.64 Oz by biosilk
- **How much does it cost?** € 35.43 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/5206257-biosilk-silk-therapy-original-leave-in-hair-treatment-5-64)

## 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

- • **Multi-Tasking Magic:** Detangles, conditions, and shields hair from heat & environmental stress
- • **Universal Hair Harmony:** Gentle formula tailored for all hair types, from fine to textured
- • **Clean Beauty Commitment:** Cruelty-free, sulfate-free, paraben-free for guiltless glam
- • **Silk-Powered Hair Revival:** Infuses 17 amino acids to rebuild and smooth every strand
- • **Effortless Shine & Frizz Control:** Transforms dull, damaged hair into glossy, frizz-free perfection

## Overview

BioSilk Silk Therapy Original is a 5.64 oz weightless, leave-in hair treatment enriched with silk proteins and vitamin E. Designed to repair damage, prevent split ends, reduce frizz, and boost shine, it suits all hair types and is free from sulfates, parabens, and cruelty. Trusted since 1986, this iconic formula delivers multi-purpose care that detangles, conditions, and protects hair from heat and environmental stress, making it a must-have for healthier, radiant hair.

## Description

BioSilk is the original silk infused line of hair care products using natural pure silk in every product.Silk contains 17 of the 19 amino acids in hair and is the strongest fiber in the world equal to steel.Silk Therapy is the original weightless, leave-in silk replenishing and reconstructing treatment to repair, smooth and protect all hair types.Benefits:Ideal for all hair typesLeave in replenishing & reconstructing treatmentFills any voids in cuticle layerAids in preventing split endsProvides incredible shine

## 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.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B001797W40 |
| Active Ingredients | vitamin e |
| Additional Features | Natural Ingredients, Not Tested On Animals |
| Age Range (Description) | Adult |
| Age Range Description | Adult |
| Best Sellers Rank | #4,682 in Beauty & Personal Care ( See Top 100 in Beauty & Personal Care ) #28 in Hair Treatment Masks |
| Brand | BioSilk |
| Brand Name | BioSilk |
| Customer Reviews | 4.7 out of 5 stars 16,584 Reviews |
| Global Trade Identification Number | 00633911744147 |
| Hair Conditioner Type | Leave-In Hair Conditioner |
| Hair Type | Damaged |
| Included Components | Active Substance Combinations |
| Item Dimensions | 10.5 x 15 x 5.6 inches |
| Item Form | Gel |
| Item Highlight | Reconstructs & Adds Shine, Smooths & Prevents Split Ends, Sulfate-Free, Paraben-Free, Cruelty-Free |
| Item Weight | 5.64 ounces |
| Liquid Volume | 5.64 fluid ounces |
| Manufacturer | Farouk Systems |
| Manufacturer Part Number | 633911744147 |
| Material Feature | Cruelty Free |
| Material Features | Cruelty Free |
| Material Type Free | BPA Free, Gluten Free, Paraben Free |
| Model Number | 0633911744147 |
| Number of Items | 1 |
| Package Type Name | Bottle |
| Product Benefits | Shining, Smoothening, Split Ends Repair, UV Protection |
| Recommended Uses For Product | Shine |
| Scent Name | Amber |
| Size | 5.6 Fl Oz (Pack of 1) |
| Special Ingredients | Vitamin E |
| UPC | 885376771088 633911401033 885892172208 885401537894 885529336812 633911651223 633911747223 885376888830 |
| Unit Count | 5.6 Fluid Ounces |

## Product Details

- **Brand:** BioSilk
- **Hair Type:** Damaged
- **Item Form:** Gel
- **Material Feature:** Cruelty Free
- **Product Benefits:** Shining, Smoothening, Split Ends Repair, UV Protection

## Images

![BioSilk Silk Therapy Original, Leave-In Hair Treatment, 5.64 Oz - Image 1](https://m.media-amazon.com/images/I/51AC6LwmJDL.jpg)

## Available Options

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

## Questions & Answers

**Q: Do you use this when your hair is wet or dry? (I just have a sample with no instructions).**
A: Wet, you don't want to put oil on dry hair

**Q: I can't seem to find the info I need on any sites. Is this product animal product free and cruelty free?**
A: The bottle states it does not use animal testing.  That being said,  I use it on my Cairn Terrier every time I bath him.  It makes his coat softer, and easier to brush.

**Q: Is is sulfate free**
A: I rea.d the bottle, and didn't see any sulfates listed.  I have been using it since 2001, and will never stop.  It is the best thing to ever happen to my hair.  It also is great on your skin

**Q: does this product contains any silicone?**
A: It has cyclotetrasiloxane, cyclopentasiloxane, and clyclopentasiloxane.  It is the best product I have ever used on my hair.

## Frequently Bought Together

- BioSilk Silk Therapy Original, Reconstructing Treatment For Adding Shine & Helping Prevent Split Ends, Sulfate, Paraben, & Cruelty-Free, 5.64 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.gr/products/5206257-biosilk-silk-therapy-original-leave-in-hair-treatment-5-64](https://www.desertcart.gr/products/5206257-biosilk-silk-therapy-original-leave-in-hair-treatment-5-64)

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*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-09-09*