Mediceuticals Defend Leave-In Conditioner
PURCHASE
X5 8.45 FL. OZ.
get free
X1 8.45 FL. OZ.
Leave in conditioner spray.
Shop Mediceutical Hair Collection
- Can be used on normal, fine or damaged hair.
- Detangles the hair without weighing the hair down.
- Provitamin B5 gives hydration to the hair.
- Makes hair supple and easy to comb.
- Protects the hair against UV radiation and the use of thermal applications (hair dryer/styling tools).
- Gives the hair a natural shine.
- Ideal for detangling wigs and hair extensions.
Healthy Hair Solutions
Mediceuticals Healthy Hair Solutions repairs and strengthens dry, damaged, fine, and chemically treated hair. These unique hair care products make hair shiny and healthy without weighing it down.

Unique Complexes

Colour Retention Complex
A complex that is developed to protect color treated hair against UV radiation and ‘shampoo washout’, resulting in a more lively and long- lasting color result.

pH
pH balanced products that are tailored to the acidity of the skin.

Optimal Follicle Health
The ingredients in Mediceuticals products ensure optimal condition of the scalp and hair follicles.

Weightless Formula
Specially developed formulas for healthy and radiant hair without weighing the hair down.

USP
USP Purified Water is a water quality that meets the requirements of the United States Pharmacopoeia (USP), an internationally recognized standard whose specifications guarantee a certain level of quality. USP water contains few impurities such as heavy metals, nitrates, chlorides and sulphates.

GMP
Pursuant to the law, the US Food and Drug Administration has issued a Good Manufacturing Practice (GMP) guideline for cosmetic products. It is designed to help manufacturers develop processes and procedures to ensure that cosmetic products are not adulterated and of consistent quality. Mediceuticals Laboratories USA has verified that its manufacturing facilities manufacture the cosmetic products in accordance with GMPs and all other applicable laws and regulations.
Instructions for use
Spray Defend leave-in conditioner on towel-dried hair and comb through.
Ingredients
Water (Aqua), Amodimethicone, Trideceth-12, Cetrimonium Chloride, Panthenol, Polyquaternium-11, Hydrolyzed Keratin, Hydrolyzed Wheat Protein, Glycerin, Butylene Glycol, PPG-26-Buteth-26, PEG-40 Hydrogenated Castor Oil, Apigenin, Oleanolic Acid, Biotinoyl Tripeptide-1, Phenoxyethanol, Ethylhexylglycerin, Fragrance (Parfum), Benzyl Alcohol, Benzyl Benzoate, Citronellol, Geraniol, Linalool.
1. What is the Mediceuticals Defend Leave-In Conditioner?
Defend is a lightweight, leave-in conditioning spray designed to protect, hydrate, and detangle normal, fine, or damaged hair . Unlike traditional rinse-out conditioners, Defend stays on the hair throughout the day to provide continuous protection against environmental stressors, UV radiation, and heat styling tools . It is ideal for daily use and leaves hair looking shiny and feeling soft without weighing it down .
2. What are the key benefits of this conditioner?
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Heat & UV Protection: Protects hair against UV radiation and thermal damage from blow-dryers, straighteners, and curling irons .
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Detangles & Smooths: Makes hair supple and easy to comb, reducing breakage and static .
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Weightless Hydration: Provides moisture without weighing hair down, making it ideal for fine or thinning hair types .
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Adds Natural Shine: Restores a healthy, glossy finish to dull or lackluster hair .
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Versatile Use: Safe for use on natural hair, wigs, and hair extensions .
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Color Protection: Contains a color retention complex to help protect colored hair from fading .
3. What are the key ingredients in this formula?
Defend is formulated with a clinically-backed blend of proteins, vitamins, and conditioners that work to treat damaged and frizzy hair over time :
For the complete and most accurate ingredient list, please refer to the product packaging .
4. How do I use the Defend Leave-In Conditioner?
Using Defend is simple and versatile :
5. Is this product suitable for all hair types?
Defend is specifically formulated for normal, fine, or damaged hair . It is particularly beneficial for:
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Fine or thinning hair: The lightweight formula provides hydration and protection without weighing hair down .
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Dry or damaged hair: Hydrolyzed keratin and wheat protein help repair and strengthen .
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Color-treated hair: Contains a color retention complex to protect vibrancy .
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Wigs and extensions: Ideal for detangling without causing damage .
6. Will this conditioner weigh my hair down?
No. One of the key features of Defend is its lightweight formula that detangles and hydrates without leaving heavy residue . It is specifically recommended for fine or thinning hair because it provides moisture and protection while maintaining volume .
7. What are the product specifications?
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Formula Type: Spray leave-in conditioner
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Key Protections: UV radiation, heat styling tools (blow-dryers, straighteners, curling irons)
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Sulfate-Free: Mediceuticals products are formulated without harsh sulfates
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Made in: USA
8. Is this product safe for color-treated hair?
Yes. Defend contains a color retention complex that helps protect colored hair from UV radiation and fading caused by shampoo washout . It is safe for use on color-treated, highlighted, and chemically processed hair.
9. Can I use this on wigs and hair extensions?
Yes. Defend is ideal for detangling wigs and hair extensions . The lightweight, non-greasy formula helps keep synthetic and natural hair fibers smooth and manageable without causing buildup or damage.
10. How does Defend fit into the complete Mediceuticals system?
Defend is designed to complement the Mediceuticals 4-step hair repair system. For comprehensive hair care, use Defend as a leave-in protector after completing your wash and treatment routine:
| Step | Product | Function |
|---|---|---|
| 1 | Vivid Purifying Shampoo | Deep cleanses and prepares hair |
| 2 | Volume & Strength Reconstructor | Repairs and strengthens (as needed) |
| 3 | Moist-Cyte Hydrating Therapy | Provides deep hydration (as needed) |
| 4 | Final Finish Acidifying Rinse | Seals the cuticle |
| Daily | Defend Leave-In Conditioner | Protects, detangles, and hydrates between washes |
11. What is the complete ingredient list?
Based on official product information from multiple sources, the Mediceuticals Defend Leave-In Conditioner contains :
Water (Aqua), Amodimethicone, Trideceth-12, Cetrimonium Chloride, Panthenol, Polyquaternium-11, Hydrolyzed Keratin, Hydrolyzed Wheat Protein, Glycerin, Butylene Glycol, PPG-26-Buteth-26, PEG-40 Hydrogenated Castor Oil, Apigenin, Oleanolic Acid, Biotinoyl Tripeptide-1, Phenoxyethanol, Ethylhexylglycerin, Fragrance (Parfum), Benzyl Alcohol, Benzyl Benzoate, Citronellol, Geraniol, Linalool.
Please refer to the product packaging for the most accurate and complete ingredient information as formulations may vary slightly by region and over time .
12. How should I store this product?
To maintain product integrity:
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Store in a cool, dry place away from direct sunlight
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Keep the bottle tightly closed when not in use
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Keep out of reach of children
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For external use only; avoid contact with eyes

