Shiseido Crystallizing Straight N1 Natural Hair Straightener Neutralizer 400ml.

• Brand: Shiseido

• Product Name: Crystallizing Straight N1 + Neutralizing Cream

• Type: Hair Straightening Treatment

• Formulation: Cream

• Volume: 400 ml per pouch (2 pouches total: N1 + Neutralizer)

• Hair Type: Natural to sensitized hair

• Gender: Unisex

• Country/Region of Manufacture: Japan

• Professional Use Only: Yes

• Condition: New

• Effect: Permanent Hair Straightening

Product Description

     Shiseido Crystallizing Straight is a premium Japanese two-step thermal straightening system trusted by professional salons worldwide. This Super Hyaluronic Power edition is specially designed for natural to sensitized hair, offering a balance of effective straightening and intense hydration. Each set contains 400 ml of N1 Straightener and 400 ml of Neutralizing Cream, providing enough product for one to two complete hair treatments, depending on hair length and thickness.

     Transform frizzy, wavy, or unruly hair into sleek, straight, and salon-smooth locks with the Shiseido Crystallizing Straight N1 + 2 system. Step 1 uses advanced straightening agents to reshape the hair’s internal structure, while Step 2 neutralizes and stabilizes the bonds to lock in long-lasting straightness. Infused with Super Hyaluronic Acid and other conditioning ingredients, the formula deeply hydrates and protects the hair throughout the straightening process. Ideal for those seeking a permanent straightening solution with minimal damage, this system delivers soft, shiny, and manageable hair with a professional finish.

Key Features and Benefits
• Professional-grade Japanese straightening treatment
• Designed for natural to slightly sensitized hair
• Long-lasting results that resist humidity and frizz
• Super Hyaluronic Power deeply hydrates and protects during processing
• Helps reduce damage, dryness, and breakage
• Leaves hair visibly smoother, shinier, and straighter
• Suitable for professional salon use or experienced home application
• Each pouch contains 400 ml, enough for 1–2 full applications

Key Ingredients

N1 Straightener
• Ammonium Thioglycolate – Primary active straightening agent that breaks disulfide bonds
• Sodium Hyaluronate (Super Hyaluronic Power) – Deep moisturizing agent to prevent dryness
• Hydroxyproline – Protects hair from thermal damage during flat ironing
• Cetearyl Alcohol, Propylene Glycol, Ethanolamine, Behenyl Alcohol, Dimethicone, Amodimethicone – Emollients and conditioners to enhance hair texture and reduce frizz

Neutralizing Cream (Step 2)
• Hydrogen Peroxide – Oxidizing agent to fix the newly straightened shape
• Polyquaternium-64 (Lipidure®) – A Cell Membrane Complex (CMC) repair ingredient that strengthens hair structure
• Additional emulsifiers, water, and conditioning agents for creamy texture and easy application

How to Use (For Professional Use Only)

1. Diagnosis and Preparation: Assess hair type and damage level. Wash with an alkaline shampoo, avoiding conditioner. Towel dry thoroughly.

2. Step 1 – Straightener (N1): Apply evenly 1–2 cm away from the scalp. Leave on for 10–20 minutes depending on hair condition. Do not exceed recommended time. Rinse thoroughly with lukewarm water.

3. Drying and Ironing: Towel dry to about 80–90%. Flat iron in small sections at 180°C (356°F) for about 2 seconds per section.

4. Step 2 – Neutralizing Cream: Apply evenly from root to tip. Leave on for 10–15 minutes. Gently comb through if needed.

5. Final Rinse: Rinse thoroughly with warm water. Style as desired.
   A patch test and professional expertise are strongly recommended for best results and safety.
   
   

Full Ingredients (N1 + Neutralizer)
N1 Straightener: Water, Ammonium Thioglycolate, Cetearyl Alcohol, Propylene Glycol, Diammonium Dithiodiglycolate, Ethanolamine, Behenyl Alcohol, PEG-3 PPG-20 Succinate, Sodium Hyaluronate, Behentrimonium Chloride, Dimethicone, Oleth-50, Amodimethicone, Isopropyl Alcohol, Pentasodium Pentetate, Hydroxyethylcellulose, Aminopropyl Dimethicone.
Neutralizing Cream: Water, Hydrogen Peroxide, Cetearyl Alcohol, Polyquaternium-64 (Lipidure®), with additional conditioning and stabilizing agents.