Kérastase Blond Absolu Anti-Brass Purple Shampoo
Published By Vivienne Blake
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Our Verdict
Kérastase Blond Absolu delivers on its promise of neutralizing brassy tones in blonde and highlighted hair. Its rich purple pigment effectively corrects unwanted yellow hues, leaving hair cooler and brighter. The luxurious lather and pleasant fragrance enhance the user experience. However, its premium price point makes it a considered purchase. For frequent toning or color-treated hair requiring intense brass-fighting power, the investment is worthwhile. Budget-conscious users or those with minimal brassiness may find less expensive alternatives sufficient. Overall, Kérastase Blond Absolu is a high-quality purple shampoo, best suited for committed blonde maintenance and justified by its noticeable results.
Audience Score
Pros
- Neutralizes brassy and yellow tones in blonde, highlighted, and gray hair.
- Cleanses hair gently without stripping away moisture.
- Leaves hair soft, shiny, and manageable.
- Helps maintain and prolong cool blonde tones.
- Strengthens and reinforces weakened, bleached hair.
Cons
- Can be drying, especially on finer hair textures.
- The purple pigment can stain porous or damaged hair.
- It can be expensive compared to other purple shampoos.
- Some users find the scent overpowering or unpleasant.
- May not be effective enough for neutralizing very brassy or yellow tones.
Comparison
The most similar products compared
 Kérastase Blond Absolu Anti-Brass Purple  Olaplex No.4P Blonde Hair Hydrating  Oribe Bright Blonde Shampoo  Shu Uemura Yūbi Blonde Nourishing Shampoo | ||||
|---|---|---|---|---|
| Audience Score | 90 Excellent! | 88 Great! | 90 Excellent! | 89 Great! |
| Price | $44 | $32 | $49 | $56 |
| Size | 8.5 oz / 250 ml | 8.5 oz / 250 ml | 8.5 oz / 250 ml | 10 oz / 300ml |
| Good For Thinning Hair | ✗ | ✓ | ✗ | ✗ |
| Good For Damage | ✓ | ✓ | ✓ | ✓ |
| Volumizing | ✗ | ✗ | ✗ | ✗ |
| Vegan | ✗ | ✓ | ✓ | ✗ |
| Without Sulfates | ✗ | ✓ | ✓ | ✓ |
| Without Parabens | ✗ | ✓ | ✓ | ✓ |
| Increases Shine | ✓ | ✗ | ✓ | ✓ |
Who Should Buy
This product is ideal for individuals with blonde, lightened, or gray hair struggling with unwanted brassy or yellow tones. If your hair has been highlighted, bleached, or naturally lightens in the sun and tends to develop a warm, orange cast, this purple shampoo can help neutralize those tones. Those looking to maintain a cool, ashy, or icy blonde shade between salon appointments will appreciate the toning power of this product. It's suitable for all hair textures, from fine to coarse, and is designed to be gentle enough for frequent use, depending on your hair's individual needs. If you desire a brighter, more vibrant blonde, this shampoo can be a valuable addition to your hair care routine.
Who Should Not Buy
This product is not recommended for individuals with dark hair or those who do not wish to neutralize warm tones. If you have naturally dark hair or prefer warmer, golden blonde hues, this purple shampoo may not be suitable. It's also not designed for those with extremely damaged or overly porous hair, as the pigment could potentially over-deposit and lead to uneven toning. If your hair is already very cool-toned or ashy, this shampoo might make it appear dull or overly purple. Individuals sensitive to fragrances or certain ingredients should carefully review the product's ingredient list before use.
How To Use
Apply the Kérastase Blond Absolu Anti-Brass Purple Shampoo to wet hair, focusing on the areas most prone to brassiness. Lather and massage it into your hair, ensuring even distribution from roots to ends. Leave it on for 2-5 minutes, depending on the desired level of toning. For intense toning, you can leave it on for up to 10 minutes, but be sure to monitor the color closely to prevent over-toning. Rinse thoroughly with cool water. For optimal results, follow up with the Kérastase Blond Absolu conditioner or masque. Use this shampoo 1-2 times per week, or as needed to maintain your desired blonde shade. Overuse can lead to purple staining, so adjust frequency based on your hair's porosity and color needs.
Key Ingredients
This shampoo features a powerful combination of neutralizing agents and nourishing ingredients. Hyaluronic Acid helps to hydrate and plump the hair fiber, while Edelweiss flower extract provides antioxidant protection against environmental damage. The key ingredient, however, is a high concentration of purple pigments that neutralize unwanted yellow and orange undertones. These pigments directly target brassiness, restoring brightness and vibrancy to blonde hair. The formula is also sulfate-free and paraben-free, making it gentle on color-treated hair.
Benefits
Kérastase Blond Absolu Anti-Brass Purple Shampoo offers numerous benefits for blonde hair. It effectively neutralizes brassy and yellow tones, restoring a cool, bright blonde. The hydrating formula helps to improve hair health and manageability, leaving it soft and smooth. Regular use can prolong the life of your color, reducing the need for frequent salon visits. It provides antioxidant protection, shielding hair from environmental aggressors that can contribute to color fading. The gentle formula is suitable for even the most delicate blonde shades, ensuring optimal results without compromising hair health.
Drawbacks
While effective, this shampoo has some potential drawbacks. Overuse can lead to over-toning, causing hair to appear purple or lavender. It can be more expensive than other purple shampoos on the market. The strong fragrance might be overwhelming for those with sensitivities. While the formula is generally gentle, it may not be suitable for extremely damaged or porous hair. The intense pigment can sometimes stain hands or light-colored surfaces, so it's important to rinse thoroughly and use gloves if necessary.