index

Keratin Research 4X 120Ml Complex Long Lasting Brazilian Keratin Hair Treatment Blowout , Argan Oil Straightening Smoothing Prof

  • Regular price $61.49
Free Standard Shipping Across USA

Brand: KERATIN RESEARCH

Type: Hair Creams Masks

Sku: WBZABB09RP2VZVS

Availability: Sold Out


Get Notified When Available
Wishlist

Sold by Feelforever21, an authorized reseller.

Returns accepted within 30 days  |  support@feelforever21.com

✓ Verified
Shipping Information
  • Free Standard Shipping — United States only
  • Processing Time: 3–5 business days
  • Estimated Delivery: 6–10 business days after dispatch
  • Carefully packed to protect your beauty & fashion items during transit
  • Tracking number sent via email once dispatched
Returns & Refund

Returns accepted within 30 days of delivery.

Damaged or Defective Item

Free return shipping + replacement or full refund

Wrong Item Received

Free return shipping + replacement or full refund

Change of Mind

Return shipping at customer's expense · Item must be unopened, unused & in original packaging. Cosmetics & skincare cannot be returned once opened for hygiene reasons.

All returns require a Return Authorization (RA) number before sending.

To initiate a return, contact us:

support@feelforever21.com +1 832-862-5569
View Full Return & Refund Policy
Safety & Compliance
⚠️

California Proposition 65 Warning

Some products sold on this website may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.

www.P65Warnings.ca.gov
💄

Beauty & Skincare Safety Advisory

Perform a patch test before first use — apply a small amount to your inner wrist and wait 24 hours. Discontinue use immediately if redness, itching, or irritation occurs.

Avoid direct contact with eyes. If contact occurs, rinse thoroughly with water. Keep all beauty and skincare products out of reach of children.

Consult a dermatologist before use if you have sensitive skin or known allergies.

K-Beauty & Cosmetic Ingredient Notice

Always check the full ingredient list before use, especially if you have known sensitivities to common cosmetic ingredients. Product formulations may vary by batch.

For external use only. Do not ingest. Store in a cool, dry place away from direct sunlight.


Guarantee safe checkout

Keratin Research 4X 120Ml Complex Long Lasting Brazilian Keratin Hair Treatment Blowout , Argan Oil Straightening Smoothing Prof

$61.49

Recently viewed

Frequently Asked Questions

  • Q: What are the main ingredients in the Keratin Research hair treatment? A: The main ingredients are Argan oil, coconut oils, proteins, and amino acid complexes. These elements provide powerful moisture binding for healthy and shiny hair.
  • Q: How big is each bottle in the Keratin Research set? A: Each bottle in the set contains one hundred twenty milliliters. This includes the Keratin hair treatment, clarifying shampoo, moisturizing shampoo, and moisturizing conditioner.
  • Q: Is this treatment suitable for all hair types? A: Yes, this treatment is suitable for all hair types. It effectively straightens, smooths, and repairs various hair textures.
  • Q: How do I apply the Keratin Research hair treatment? A: To apply, follow the easy-to-understand instructions provided with the product. Ensure proper application for optimal results.
  • Q: Can I use this treatment at home? A: Yes, this treatment is designed for both at-home and salon use. It delivers professional-grade results conveniently.
  • Q: How long does the treatment take to work? A: The treatment can provide results within hours. You can achieve stunningly soft, shiny, silky hair quickly.
  • Q: What is the shelf life of the Keratin Research products? A: The products have a very long shelf life. They remain effective even after being opened, allowing for multiple uses.
  • Q: How do I maintain the results of the hair treatment? A: To maintain results, use sulfate-free shampoos and conditioners. This helps prolong the effects of the keratin treatment.
  • Q: Is this product safe for color-treated hair? A: Yes, the treatment is safe for color-treated hair. It can help enhance the vibrancy and manageability of colored locks.
  • Q: What should I do if the product arrives damaged? A: If the product arrives damaged, contact customer support for a replacement. They will assist you with the return process.
  • Q: Can I return the product if I am not satisfied? A: Yes, you can return the product if you are not satisfied. Check the return policy for specific guidelines and timeframes.
  • Q: How often can I use the Keratin treatment? A: You can use the treatment every four to six months. This timing allows your hair to benefit without over-processing.
  • Q: What makes this treatment different from a keratin mask? A: This treatment offers long-lasting results for months, unlike a keratin mask which provides temporary smoothing. It's more effective for lasting beauty.
  • Q: Does this treatment help with frizz control? A: Yes, the treatment provides advanced frizz control for months. It hydrates and tames frizzy hair effectively.
  • Q: What kind of support is included with the product? A: The product includes comprehensive support such as simple instructions and instructional videos from experienced professionals to assist with application.