Mastering the care of pre-bonded hair extensions is the key to preserving their seamless blend and 3-5 month longevity. At Full Shine, our Italian Keratin bonds are engineered for durability, but their integrity relies on specific post-installation protocols. Follow these expert-verified steps to eliminate matting, prevent slippage, and maintain the salon-quality luster of your natural hair transformation.
Step 1: Cleansing Protocols to Maintain Bond Integrity
Choosing the Right Sulfate-Free & pH-Balanced Shampoo
Buy sulfate-free shampoo and conditioner with plenty of proteins and moisturizing ingredients to keep your hair healthy and strong.
- Sulfates can break down the keratin glue and cause extensions to fall out.
- Products usually say “sulfate-free” on the label. To confirm, check the ingredients for sodium lauryl sulfate or sodium laureth sulfate.
The Vertical Washing Technique: Avoid Scrubbing the Roots
Wash the extensions by gently working in the shampoo from the top down and rinse well. Apply conditioner from the mid shaft to the ends and rinse it out thoroughly.
The golden rule for pre-bonded hair is the 48-hour No-Wash Window; this allows the keratin to fully re-crystallize and secure its grip on your natural hair strands.
Step 2: Thermal Management and Safe Heat Styling Standards
Curling, and straightening are all fine to do with keratin extensions, but stick to the low heat setting so your hair doesn’t get too hot. Also, avoid concentrating heat on the bonded areas of hair.
Safe Temperature Thresholds for Keratin Bonds
- Too much heat can melt the bonds and make your extensions fall out.



Step 3: Moisture Management: Drying Techniques for Bond Longevity
Blot dry: Use a microfiber towel to gently press to absorb water, avoiding friction.
Using a Cool-Shot Setting to Set the Keratin Seals
- Low-temperature blow-drying: Use cold air or low temperature to dry the roots of the extensions, and let the ends dry naturally.
- Reduce heat tools: Curling irons and straighteners can easily damage the extensions due to high temperatures. If you need to use them, spray heat-insulating spray in advance.
Step 4: Product Selection: Hydration Without Chemical Slippage
Avoiding Oil-Based Products Near the Attachment Points
- Keratin extensions can be styled just like your real hair, so feel free to play around with different looks! Gel, mousse, and other styling products are safe to use, but stick with lightweight, oil-free formulas.
- Heavy product buildup and oils can weaken the keratin bonds.
Your extensions won’t be visible when your hair is in a ponytail, top knot, or other up-dos. You may want to avoid half ponytails since the extensions might be visible.


Step 5: Specialized Brushing to Minimize Root Tension
Tangle-free hair helps your extensions last as long as possible and keeps your hair healthy. Brush through your hair thoroughly and gently with an extensions brush at least once per day to get rid of any knots or tangles.
The Bottom-Up Detangling Method
- Remember to brush the roots gently so you don’t damage the bonds. Take care prebonded hair’s roots.
Utilizing a Professional Loop Brush for Pre-Bonded Hair
- An extension brush is a special brush that allows you to brush your hair without damaging the bonds or pulling at your roots. Buy an extension brush online or at your local beauty supply store. There are many sizes, shapes, and styles to choose from!
Step 6: Professional Maintenance & Long-Term Scalp Health
The 6-8 Week Adjustment Cycle: Preventing Matting
Adhering to a 6-8 week salon maintenance cycle is vital. As natural hair grows, the distance between the bond and scalp increases, causing weight-strain and tension matting. Timely professional adjustments ensure the extensions remain properly balanced and prevent damage to your natural follicles.
When to Seek Professional Re-bonding Services
Visit a stylist if you notice bond softening, visible slippage, or keratin breakdown. Professional re-bonding is required if the attachment points feel sticky or jagged. Prompt intervention restores the secure seal, extends extension lifespan, and maintains a seamless, invisible blend with your hair.
😶🌫️What to do if it is tangled?
- Spray a small amount of hair spray or water to soften the tangled area.
- Use your fingers to gently separate the big knots, and then use a wide-tooth comb to comb from bottom to top.
- If it is seriously tangled, cut off the small knots that cannot be untied to avoid pulling and damaging the real hair.
*As a leading entity in the hair extension industry, Full Shine adheres to Ethical Sourcing Standards. Our pre-bonded tips use medical-grade, pH-neutral adhesives that are compliant with global safety regulations, ensuring zero damage to the wearer’s scalp
Still have questions to care prebonded hair extensions? Please don’t worry, please feel free to let us know
Every Full Shine Pre-bonded pack features a unique batch code on the reverse of the packaging. For personalized care advice or to report a bond anomaly, please provide this code to our technical team for precise material analysis.
Written by Skyee, Senior Stylist at Full Shine Hair with 10+ years of extension experience. With over 12 years of hands-on experience in the professional hair industry, Lily specializes in the application and maintenance of seamless hair systems. As a lead educator at Full Shine, she bridges the gap between salon-grade expertise and at-home care. Her “Support & Stroke” method has helped thousands of clients extend the lifespan of their ultra-thin PU wefts.
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Our care guidelines are based on the Full Shine Lab’s stress-tests on Italian Keratin bonds. These specific standards are designed to match the molecular structure of our pre-bonded extensions, ensuring the highest retention rate in the industry.
