Strainia Care Straight Shampoo

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Strainia Japan Care Straight Shampoo 400ml

This shampoo is designed for anyone struggling with waviness, frizz, or uneven moisture levels inside the hair shaft. It helps realign the hair’s internal structure by balancing moisture distribution, making daily straight styling easier. Developed through collaboration between Strainia Japan and professional hair-quality research salons, it provides effective care for a wide range of hair textures.

Key Benefits:

• Helps correct internal hair distortion for a straighter, more manageable finish.
• Supports even moisture distribution to reduce waviness and frizz.
• Provides soft, smooth, and easy-to-style hair every day.
• Suitable for various types of wavy and curly hair.
Visual Proof: Before-and-after images showing reduced waviness and smoother hair texture.

Key Ingredients:

• Hydrolyzed Keratin (hair repair): Helps strengthen damaged areas and support smoother alignment.

• Hydrolyzed Silk (moisture retention): Adds softness and improves manageability.

• Gamma-Docosalactone (heat-activated repair): Enhances smoothness when used with heat tools.

• Ceramides (moisture barrier support): Help maintain hydration and reduce frizz.

How to Use: Use on wet hair, apply an appropriate amount, lather well, and rinse thoroughly. Follow with conditioner or treatment for best results.

FAQ: 
Is this shampoo suitable for very frizzy or coarse hair?
Yes. The formula is designed to support various wavy, frizzy, and unruly hair types.

Can it be used daily?

Yes. The gentle formulation makes it suitable for everyday washing.

Does it help when using heat styling tools?

Yes. Ingredients such as gamma-docosalactone benefit from heat activation to improve smoothness.

We ship internationally from our warehouse here in Tokyo. We use the services of third-party delivery service providers, namely, Japan Post (EMS) and Airmail, for shipping all the orders placed by our customers. View our entire policy here.

Every skin is different, therefore, no returns are accepted simply on the account that the product had an adverse reaction on your skin, or did not provide you any particular kind of results that you were expecting. However, you may initiate a return for the defective and damaged products purchased from the website within a period of7 (seven) days calculated from the order delivery date (“Return Period”). View our entire policy here.

Water, Decyl Glucoside, Sodium C14-16 Olefin Sulfonate, Lauramidopropyl Betaine, Cocamide Methyl MEA, Sodium Cocoyl Methyltaurate, DPG (Dipropylene Glycol), Cocamidopropyl Betaine, TEA-Cocoyl Glutamate, Urea, Hydroxypropyltrimonium Hydrolyzed Keratin (Wool), Isostearoyl Hydrolyzed Silk AMP, Gamma-Docosalactone, Meadowfoam Delta-Lactone, Glyceryl Glucoside, Ceramide EOP, Ceramide NG, Ceramide NP, Ceramide AG, Ceramide AP, Cholesterol, Phytosterols, Quaternium-33, Aminoethyl Thiomalate Diammonium, Chamomile Flower Extract, Roman Chamomile Flower Extract, Cornflower Flower Extract, Linden Flower Extract, Calendula Officinalis Flower Extract, Hypericum Perforatum Flower/Leaf/Stem Extract, Coptis Chinensis Rhizome Extract, Ethanol, Sodium Carbonate, Sodium Chloride, Ammonium Chloride, Citric Acid, BG (Butylene Glycol), PG (Propylene Glycol), Glycerin, Propanediol, Polyquaternium-10, Disodium EDTA, Sodium Lauroylaminopropionate, Distearyldimonium Chloride, Behentrimonium Chloride, Tocopherol, Sodium Benzoate, Phenoxyethanol, Fragrance

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Unlike generic beauty retailers, Beauty Ninja carefully curates only the most advanced and luxurious Japanese skincare. Every product is tested and approved for its effectiveness.

Have a question?

See some of our common FAQS below

Yes! We source all products directly from Japanese brands, ensuring 100% authenticity.

In Japan, expiration dates are usually not printed on cosmetics unless required (e.g., food or medicated products). However, we keep small stocks and order directly from manufacturers to ensure you get the freshest products. Most items have a shelf life of 2–3 years when stored properly in a cool, dry place away from direct sunlight.

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Orders ship within 1–5 business days (we often order directly from manufacturers to ensure freshness). Once shipped, delivery takes 5–10 days, but times may vary due to customs or other delays.

  • Free for orders over $250 USD
  • Flat rate $15 USD for all other orders.

We ship to over 60 countries, including the USA, UK, Australia, Canada, and most of Europe and Asia. See our shipping page for the full list.

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