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Extended holiday returns
FREE refund/replacement until Jan 31, 2027 Learn more
FREE refund/replacement until Jan 31, 2027 Learn more
This item's return window has been extended for the holiday season: FREE refund/replacement until Jan 31, 2027
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
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Availability:
In Stock.
Arrives
Saturday, Nov 7
Recently Viewed
At a glance
- Condition
- New
- Size
- 5.64 Fl Oz (Pack of 1)
- Dimensions
- 10.5 x 15 x 5.6 in
- Weight
- 5.64 oz
- Language
- English
- Item Form
- Gel
- Hair Type
- Damaged
- In the box
- Active Substance Combinations
Features 5
- WEIGHTLESS LEAVEIN 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 healthierlooking hair.
- ALLHAIR TYPES FORMULA: Gentle, crueltyfree, sulfate and parabenfree treatment suitable for straight, wavy, curly, fine or textured hair.
- MULTIPURPOSE 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.
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 types Leave in replenishing & reconstructing treatment Fills any voids in cuticle layer Aids in preventing split ends Provides incredible shine
Specs 29
| Language | English |
|---|---|
| Product Dimensions | 10.5 x 15 x 5.6 inches; 5.64 ounces |
| Manufacturer recommended age | 18 months - 8 years |
| Item model number | 7 |
| Manufacturer | Farouk Systems |
| Item Form | Gel |
| Hair Type | Damaged |
| Product Benefits | Shining, Smoothening, Split Ends Repair, UV Protection |
| Scent Name | Amber |
| Additional Features | Natural Ingredients, Not Tested On Animals |
| Package Type Name | Bottle |
| Hair Conditioner Type | Leave-In Hair Conditioner |
| Brand Name | BioSilk |
| Age Range Description | Adult |
| Item Highlight | Reconstructs & Adds Shine, Smooths & Prevents Split Ends, Sulfate-Free, Paraben-Free, Cruelty-Free |
| UPC | 885376771088 633911401033 885892172208 885401537894 885529336812 633911651223 633911747223 885376888830 |
| Global Trade Identification Number | 47 |
| Model Number | 7 |
| Unit Count | 5.64 Fluid Ounces |
| Number of Items | 1 |
| Item Dimensions | 10.5 x 15 x 5.6 inches |
| Liquid Volume | 5.64 fluid ounces |
| Item Weight | 5.64 ounces |
| Size | 5.64 Fl Oz (Pack of 1) |
| Material Features | Cruelty Free |
| Material Type Free | BPA Free, Gluten Free, Paraben Free |
| Active Ingredients | vitamin e |
| Special Ingredients | Vitamin E |
| Recommended Uses For Product | Shine |
No specs match.
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Saturday, Nov 7
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Similar Products
Top Amazon Reviews
Amazing shine, zero frizz! ⭐️⭐️⭐️⭐️⭐️
Size: 5.64 Fl Oz (Pack of 1)
This product is a game-changer! Just a tiny amount leaves my hair incredibly soft, shiny, and completely frizz-free. It feels lightweight, doesn't get greasy, and works perfectly as a heat protectant for flat ironing. Plus, it smells amazing and lasts forever. 100% recommended!
Reviewed in the United States on October 14, 2026 by Yonisbel Alba Maceda
Bio silk
Size: 5.64 Fl Oz (Pack of 1)
I absolutely love the BioSilk Silk Therapy Original Leave-In Hair Treatment! It’s a great-quality product at an affordable price. A little goes a long way, and it leaves my hair feeling incredibly soft, smooth, and manageable without weighing it down. The smell is amazing and leaves my hair smelling fresh and beautiful throughout the day. I also love how silky and healthy my hair feels after using it. For the quality and price, this is definitely a product I would recommend and purchase again!
...
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Reviewed in the United States on October 8, 2026 by NESSA
Good price
Size: 5.64 Fl Oz (Pack of 1)
Been using this for at least 20 years. Works incredible to calm hair, lovely scent, softest hair ever, no greasy heavy feeling. Love it. Will buy again, and again, and again.......
Reviewed in the United States on October 5, 2026 by Crazy for Gardenias
Shine, protection and best aroma
Size: 5.64 Fl Oz (Pack of 1)
I’ve been using BioSilk Silk Therapy Original for years, and it’s still one of my go-to hair products. It leaves my hair feeling soft, smooth, and noticeably healthier without weighing it down. A little goes a long way, and it helps control frizz while adding a nice shine. It’s one of those products I always come back to because it just works.
...
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Reviewed in the United States on April 21, 2026 by Jennifer Ojeda
BioSilk
Size: 5.64 Fl Oz (Pack of 1)
BioSilk it's an amazing product. I especially like this one I put just a piece size drop in my hand after I wash my hair and I run it through there and my hair smells great and it feels really good. I would recommend giving this a try. You will not be disappointed.
Reviewed in the United States on September 1, 2026 by Sheri
Great product but sometimes difficult to use
Size: 5.64 Fl Oz (Pack of 1)
The product works well with two caveats. One, the product is thick, and I find it difficult to distribute it on my dry hair even on the ends. I get a clump one area and nothing in other areas. I have only tried it on dry hair, so maybe I should try it on wet. But where it does get applied, it’s magical, and how it softens the hair and shines TWO, the bottle leaks. I don’t know if after the first use there’s some oily product in the closable top and thus it no longer closes all the way. I’ve wasted at least a third of the bottle via leakage. So beware! Place in a Ziploc bag, if you travel and expect there to be some product in the bag when you land.
...
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Reviewed in the United States on April 7, 2026 by Karen K
Great product
Size: 5.64 Fl Oz (Pack of 1)
I love biosilk. I've been using it for years. It smells good and it doesn't take much. It helps when using heat products to protect your hair. It was suggested to me by my hair stylist.
Reviewed in the United States on October 6, 2026 by JD L.
Silky with out oiliness
Size: 5.64 Fl Oz (Pack of 1)
This makes my frizzy hair soft and super silky with out making it look dirty! Love!
Reviewed in the United States on August 25, 2026 by Christy Bennett