High Intensity Multi-Faceted Shimmering Permanent Hair Color, 3X Highlights, Gentle, Deep Conditioning Hair Dye by L’Oréal Paris is designed for bold, multi-dimensional color lovers seeking lasting shine and healthier-feeling hair. The 521 variant, described as Medium Cool Iridescent Brown/ Cool Amethyst, adds a sophisticated cool-toned iridescent effect with three times the highlight impact while conditioning the strands for a vibrant, glossy finish.
Key benefits
- Bold, multi-faceted color that creates 3X highlights for a shimmering, dimensional look.
- Power shimmer conditioner helps hair feel nourished and less dull after coloring.
- Permanent color that defends against fading while delivering a cool iridescent brown and amethyst tone.
- Gentle formula designed to minimize damage and support hair conditioning during the color process.
- Includes clear usage guidance in the box to ensure proper application and results.
Ingredients and why they matter
- Water / Aqua: the solvent that carries color molecules into hair fibers for even coverage.
- Hydrogen Peroxide: part of the developer that opens the hair cuticle to allow color penetration; use as directed.
- Glycerin: a conditioning humectant that helps hair feel smoother and more hydrated after coloring.
- Fragrance (Parfum): provides a pleasant scent during and after application.
- Disodium EDTA and other chelating agents: help stabilize formulas for consistent results.
- Direct color components and pigments (e.g., Titanium Dioxide, Mica): create the iridescent, cool-toned color result.
- Oils and emollients in conditioning ampoules: support hair feel and manageability post-color.
Usage and safety tips
- Follow the usage advisory and instructions included in the hair colour box.
- Test on a small skin area before full application to check for any adverse reaction.
- Avoid contact with eyes. If contact occurs, rinse thoroughly with water.
- Keep out of reach of children.
- Do not exceed the recommended processing time or use on damaged or irritated scalps without professional advice.
This product is a cosmetic colorant intended for decorative hair color improvements and does not claim clinical effects. For best results, use as directed and store in a cool, dry place away from direct sunlight.
How to use High Intensity Multi-Faceted Shimmering Permanent Hair Color
A step-by-step guide to achieving the 521 variant look with the included conditioner for best results.
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Prepare
Read the box instructions and perform a skin patch test as recommended.
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Mix and apply
Combine the color and developer as directed and evenly apply to the hair, ensuring full coverage for the 521 Medium Cool Iridescent Brown/ Cool Amethyst shade.
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Process
Allow the color to develop for the time specified in the box instructions; do not exceed the recommended duration.
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Rinse and condition
Rinse thoroughly until water runs clear, then use the included conditioner to lock in the shimmer and softness.
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Aftercare
Follow storage guidance and avoid heat or chemical treatments that may fade the color quickly; keep away from children and eyes.
Frequently Asked Questions
Is this safe for all hair types?
The color is designed for general use and includes a conditioning component. Always follow the instructions in the box and perform a skin test before application to check for sensitivities.
How should I apply this color?
Follow the usage advisory and instructions included in the hair colour box. Apply to clean hair as directed and use the included conditioner for best results.
Who is this product best for?
Ideal for color enthusiasts seeking a bold, multi-faceted look with 3X highlights and a cool iridescent brown/amethyst shade. Suitable for adults; keep away from children.
Are there any precautions after coloring?
Do not use if scalp is irritated or damaged. If irritation occurs, discontinue use and consult a professional. Keep eyes away from the product; if contact occurs, rinse thoroughly.
What makes the color last longer?
Permanent color formulations and the included power shimmer conditioner help maintain vibrancy and reduce dullness, following the application instructions precisely.
Disclaimer: This product is not intended to diagnose, treat, cure, or prevent any disease. Always read and follow the product label. Consult a healthcare professional if you have any health concerns.
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