Silk 21 Hydrating Thermal Protecting Conditioner - CHI Haircare

Silk 21 Hydrating Thermal Protecting Conditioner

(3 customer reviews)


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Silk contains 17 amino acids that help protect and maintain the ideal hair condition for smooth, silky results. Silk is one of the strongest fibers in the world and impressively holds up to 3 times its own weight in moisture. This helps to improve elasticity and strength in each hair strand, preventing breakage and damage. Its thermal protecting properties help prevent future damage from styling and environmental elements.
  • Strengthens hair and prevents future damage
  • Adds volume and body to the hair
  • Adds incredible shine


  • Protects against UV rays
  • Prevents color loss


Hair is made up of proteins formed from multiple amino acids. When hair is processed using chemicals or heat styled, these protein get fragmented converting several amino acids to amino acid derivatives. The Silk 21 line of products are rich in amino acids derived from natural silk and keratin that helps to maintain and balance the composition of the hair.  Healthy hair contains 21 amino acids. Silk provides 17 amino acids and the remaining are supplemented by the amino acids from wool keratin.


After shampooing with Silk 21® Hydrating Thermal Protecting Shampoo, apply and distribute Silk 21® Hydrating Thermal Protecting Conditioner evenly onto damp hair from roots to ends.  Rinse with cool water to seal the cuticle and enhance shine.


Hydrate dry or damaged hair with silk’s impressive moisture retention property.  Silk offers thermal protection helping to prevent future damage and split-ends while strengthening dry, damaged hair. Improves elasticity for more manageable hair strands.

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How to Use


Aqua/Water/Eau, Cetyl Alcohol, Cetearyl Alcohol, Dicetyldimonium Chloride, Behentrimonium Chloride, Bisamino PEG/PPG-41/3 Aminoethyl PG-Propyl Dimethicone, Moringa Oleifera Seed Oil, Mentha Piperita (Peppermint) Oil, Symphytum Officinale Leaf Extract, Anthemis Nobilis (Chamomile) Flower Extract, Lavandula Angustifolia (Lavender) Extract, Salvia Sclarea (Clary) Extract, Hydrolyzed Silk, Panthenol, Keratin Amino Acids, Cocodimonium Hydroxypropyl Hydrolyzed Keratin, Ceteareth-20, Amodimethicone, Phenoxyethanol, Caprylyl Glycol, Polyquaternium-37, Guar Hydroxypropyltrimonium Chloride, Propylene Glycol Dicaprylate/Dicaprate, Isopropyl Alcohol, Glycolic Acid, Potassium Sorbate, Benzophenone-3, Xylitylglucoside, Cetrimonium Chloride, Trideceth-10, Anhydroxylitol, Hexylene Glycol, PPG-1 Trideceth-6, Xylitol, Trisodium HEDTA, Tocopherol, Fragrance (Parfum), Benzyl Benzoate.

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Additional Information

Additional Information

Weight 0.900 lbs
Dimensions 2.500 × 2.500 × 9.000 in

Reviews (3)

3 Reviews
100% Recommend
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  1. Nikki Warner (verified owner)

    I bought this in Sally’s beauty supply one time and I have been hooked on it since. I love how my hair feels and looks after use. I do use both, shampoo and conditioner. And I L O V E the way this stuff smells!!

  2. pat (verified owner)

    I purchased both the shampoo and conditioner and have noticed an improvement to the battle I face with frizzy hair. My hair is much smoother and manageable – and smells nice too.

  3. DEBBIE REHFUS (verified owner)

    See above comment, as I purchased both the shampoo and conditioner by Chi… impressed by the combination and the moisturizing effects on my dry hair.

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