• Product Line: Crystallizing Straight
• Type: Professional Thermal Hair Straightening System
• Formula: N / N1 (Straightener and Neutralizer Cream Set)
• Hair Type: Natural to Sensitized or Chemically Treated Hair
• Formulation: Rich Smooth Cream
• Size: 125g Straightener + 125g Neutralizer Cream (Total Net Weight 250g)
• Scent: Fresh Green Floral
• Technology: Dual Performance System Thermal Straight System
• Active Agents: Thioglycolate-based Agent 1, Hydrogen Peroxide-based Agent 2
• Recommended Use: Professional Salon Performance
• Country of Manufacture: Japan

Shiseido Crystallizing Straight N1 is an advanced Japanese salon two-step thermal straightening system engineered for natural to sensitized hair textures. Formulated with Dual Performance System technology, this professional thermal cream softens resistant wave patterns while preserving touchable softness, elasticity, and brilliant shine across every individual strand.

The innovative two-bath process unites the high-performance thioglycolate N Straightener with a nourishing hydrogen peroxide Neutralizer Cream. By integrating protective conditioning factors like hydroxyproline and lipid-replenishing agents, Shiseido Crystallizing Straight delivers pin-straight, manageable results that resist daily humidity and stay fluid without stiffness.

- Complete Two-Step Thermal System: Pairs N Straightener Agent 1 with Neutralizer Cream Agent 2 for precision salon retexturizing.
- Tailored N Formula: Specially balanced for natural, fine, or chemically sensitized hair fibers.
- Dual Performance System: Proprietary technology from Shiseido Crystallizing Straight ensures sleek straightness with natural movement.
- Thermal Protection Integration: Infused with conditioning agents to maintain hair integrity under flat iron heat.
- Hydrating CMC Neutralizer: Agent 2 features Polyquaternium-64 Lipidure to replenish essential moisture.
- Fresh Green Floral Aroma: Minimizes chemical odor during processing for a more pleasant application experience.
- Authentic Japanese Quality: Manufactured in Japan following strict salon standards.

• Ammonium Thioglycolate: The primary straightening active in Shiseido Crystallizing Straight that restructures internal bonds.
• Hydroxyproline: An amino acid derivative that helps protect sensitized hair fibers during high-heat processing.
• Hydrogen Peroxide: The essential neutralizing agent in Step 2 that locks in the smooth, straightened structure.
• Polyquaternium-64 (Lipidure): A moisture-binding CMC-care agent that conditions and smooths hair cuticles.
• Shea Butter (Butyrospermum Parkii): Natural plant emollient providing deep conditioning and surface softness.
• Coix Lacryma-Jobi Seed Extract: Botanical ingredient that enhances hair hydration and natural luster.

1. Apply N Straightener Agent 1 evenly to clean, towel-dried hair, keeping 1 to 2 cm away from roots.
2. Process at room temperature for 10 to 20 minutes according to hair condition.
3. Rinse thoroughly with lukewarm water and blow-dry the hair completely.
4. Straighten subsection by subsection using a professional flat iron at 180°C or below.
5. Apply Neutralizer Cream Agent 2 thoroughly from roots to ends and leave for 2 to 3 minutes.
6. Rinse completely with clean water and style as desired.

N Straightener: Water, Ammonium Thioglycolate, Cetyl Alcohol, Propylene Glycol, Diammonium Dithiodiglycolate, Ethanolamine, Dimethicone, Mineral Oil, Behenyl Alcohol, Behentrimonium Chloride, Oleth-50, PCA Glyceryl Oleate, Distearyldimonium Chloride, Sorbitol, Amodimethicone, Isononyl Isononanoate, Fragrance, PPG-70 Glyceryl Ether, Butyrospermum Parkii (Shea) Butter, Isopropyl Alcohol, Aminopropyl Dimethicone, Lecithin, Hydroxyethylcellulose, Disodium EDTA, Steartrimonium Chloride, Dicocodimonium Chloride, Hydroxyproline, Cysteine, Ceteth-20, Phenoxyethanol, CI 47005, Tocopherol, BHT, Coix Lacryma-Jobi Ma-Yuen Seed Extract.

Neutralizer Cream: Water, Cetyl Alcohol, Dimethicone, Behentrimonium Chloride, Hydrogen Peroxide, Mineral Oil, Alcohol Denat., Disodium Phosphate, PPG-70 Glyceryl Ether, Etidronic Acid, Fragrance, Steartrimonium Chloride, Phosphoric Acid, Phenoxyethanol, Cetrimonium Chloride, Polyquaternium-64, BHT, Sodium PCA.