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Strand Defender Conditioner

A lightweight, physician-formulated conditioner to strengthen hair and defend against damage.

Size: 8.1 fl oz

$44.00 or subscribe and save 15%

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18 in stock

SKU: 1011013 Category:
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Pure, Potent, and Effective (learn more)

Hair is not alive, and therefore existing damage cannot be reversed. Other conditioners use silicones and oils to conceal damage caused by factors such as color-treating, heat-styling, and wet-brushing—instead of actually protecting your hair.

Our lightweight, silicone-free conditioner provides multi-layer protection to strengthen hair and defend against damage. The result is hair that remains healthy, strong, and moisturized without being weighed down.

Where science meets strand health. A lightweight strengthening conditioner to protect and defend hair and prevent strands from future damage. For best results, use with Root Purifier Scalp Microbiome Shampoo.


  • Defends hair against damage.
  • Replenishes hair elasticity and moisture.
  • Strengthens for improved hair health.

Formulated without
Hormones, drugs, parabens, phthalates, silicones, sulfates, synthetic fragrance.

Please recycle the container using our TerraCycle bin  at the Spectrum Dermatology of Seattle clinic.

After shampooing, apply a dollop of conditioner from mid-shaft to ends. Leave for at least 2 minutes and rinse.

Additional information

Weight 16 oz
Product Type

Shampoo, Conditioner

Skin Concern

Hair Loss


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Key Ingredients:

  • Ximenia Oil – Provides intense, silicone-free moisture.
  • Sea Buckthorn – Locks in moisture, improves elasticity, and protects the hair cuticle.
  • Postbiotics & Arginine – Support weakened bonds while protecting against future damage.


Ingredients may change. Please refer to the actual product packaging for the most current information.

Note about allergens: Although all our products are formulated to avoid common allergens, allergies can occur to any new product used on your skin. We recommend that prior to using a new product, all users do a patch test with the product on a small spot on your arm or other inconspicuous area for a few days. If rash or irritation develops, discontinue use.

For  Use With These Skin Concerns

  • Hair Loss

Product Category or Use Type

  • Shampoo
  • Conditioner
American Academy of DermatologyAmerican Board of DermatologyAmerican Medical AssociationThe International Society For The Study Of Vulvovaginal DiseaseNational Vulvodynia AssociationWashington Dermatology AssociationWomen's Dermatologic Society
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