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BioSilk Silk Therapy, Original, 0.5 Ounce

  • Based on 1,401 reviews
Condition: New
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$5.49 Why this price?
Holiday Deal · 66% off was $16.00

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This item's return window has been extended for the holiday season: FREE refund/replacement until Jan 31, 2026

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Availability: Only 1 left in stock, order soon!
Fulfilled by Amazon

Arrives Friday, Nov 28
Order within 5 hours and 23 minutes
Available payment plans shown during checkout

Features

  • Enhances the shine and protects the hair structure
  • Protected from free radicals and other signs of aging
  • Hair and skin is protect from damaging uv rays
  • Enhances the shine and protects the hair structure
  • Protected from free radicals and other signs of aging

Description

B01B1H9KAQ

Brand: BioSilk


Item Form: Cream


Material Feature: Biodegradable


Hair Type: All


Product Benefits: Replenishing,Shine,Split Ends


Is Discontinued By Manufacturer ‏ : ‎ No


Product Dimensions ‏ : ‎ 6.69 x 3.15 x 4.72 inches; 0.01 ounces


Item model number ‏ : ‎ 2


UPC ‏ :


Material Feature ‏ : ‎ Biodegradable Warning


Manufacturer ‏ : ‎ Biosilk


Best Sellers Rank: #12,518 in Beauty & Personal Care (See Top 100 in Beauty & Personal Care) #30 in Hair Styling Serums


#30 in Hair Styling Serums:


Customer Reviews: 4.4 4.4 out of 5 stars 1,401 ratings


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Friday, Nov 28

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.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • So tiny
Sooo small.. I will take some ownership to not reading the details closer. I knew it was travel sized but didn't realize it was this small. BUT is smells and feels like the authentic product and I've gotten fraud biosilk before when ordering online so I'm happy. And the screw cap will be so nice so it doesn't spill in my bag like the larger sizes sometimes do. ... show more
Reviewed in the United States on October 23, 2025 by brianna ware brianna ware

  • Perfect for dry or split ends!
Yes, the bottle is small, but a little goes a long way. I shampoo scalp, use a good salon conditioner making sure every strand gets conditioner away from just away from scalp. When I rinse, and towel dry, I use a good leave in conditioner all over down to the ends. Then I dry my hair. I use the BioSilk Therapy on all of my ends. And every day I put it on my ends again to keep them sealed and from getting dry or split. I was recommended to do this process from a hairdresser because my hair had gotten so dry. I didn’t think I was able to revive it honestly. The leave in conditioner spray, after the shampoo and conditioner, and the BioSilk Therapy on the ends has made my hair so soft again, and now it’s finally starting to get longer. Loving the BioSilk! ... show more
Reviewed in the United States on October 22, 2025 by Andi

  • Small but mighty product!
Great product. This was a very tiny bottle but it lasted on a 5 day trip!
Reviewed in the United States on July 13, 2025 by CLD

  • Great product for damaged hair
I can’t recommend this enough! I have severely dried out hair from years of using hair dye, and this product helps my hair look smooth and slick and it always feels like a dream after using. I always apply it to towel dried hair. After putting a pea to quarter sized amount in my palms, I then rub them together a few times then rub this in my hair from the ends upwards towards roots. Then I comb/brush it throughout my hair to help distribute/spread it evenly and then I style my hair or let air dry. Either way it works lovely. I have even put some on my skin and it felt so smooth and silky. Highly recommended !! It just works differently than leave in conditioners. Both are nice to use , but this makes my hair shine unlike anything else I’ve tried. Do yourself a favor and at least try the trial size. You’ll be glad you did. *** I do recommend using just a little amount to begin with and you can add more if needed because to much of this might weigh hair down. Start small and build up. Do this until you get an idea of the perfect amount your hair will need.*** ... show more
Reviewed in the United States on November 19, 2023 by Latisha Hardin

  • Excellent product
Excellent product. But this was small for the price. I was looking for a travel size though, so it's OK.
Reviewed in the United States on June 2, 2025 by Bonnie

  • Great product
Very small container but a drop goes a long way.
Reviewed in the United States on July 10, 2025 by Angela Snowden

  • Smells amazing, keeps the shiny, and makes curling EASY
This is THE BOMB. And it last SO long! No need to spend to much money on the stuff from the hair store! It always makes my wigs so soft and shiny, and it keeps the hair silky.
Reviewed in the United States on May 28, 2025 by BriannaQuantay BriannaQuantay

  • defective or expired
this is either a very old bottle as it has a different design that what is advertised and in the reviews or it’s just straight up defective based on the yellow/brown blob stuck in the bottom…
Reviewed in the United States on October 18, 2025 by Amanda Amanda

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